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1253120 = 2851189
BaseRepresentation
bin100110001111100000000
32100122221212
410301330000
5310044440
642505252
713436261
oct4617400
92318855
101253120
11786540
12505228
1334b4bb
14248968
1519b465
hex131f00

1253120 has 72 divisors (see below), whose sum is σ = 3311280. Its totient is φ = 450560.

The previous prime is 1253111. The next prime is 1253137. The reversal of 1253120 is 213521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1253095 and 1253104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14036 + ... + 14124.

It is an arithmetic number, because the mean of its divisors is an integer number (45990).

21253120 is an apocalyptic number.

1253120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655640).

1253120 is an abundant number, since it is smaller than the sum of its proper divisors (2058160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253120 is an equidigital number, since it uses as much as digits as its factorization.

1253120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1253120 is about 1119.4284255816. The cubic root of 1253120 is about 107.8112845204.

Adding to 1253120 its reverse (213521), we get a palindrome (1466641).

The spelling of 1253120 in words is "one million, two hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 89 110 128 160 176 178 220 256 320 352 356 440 445 640 704 712 880 890 979 1280 1408 1424 1760 1780 1958 2816 2848 3520 3560 3916 4895 5696 7040 7120 7832 9790 11392 14080 14240 15664 19580 22784 28480 31328 39160 56960 62656 78320 113920 125312 156640 250624 313280 626560 1253120