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121269252 = 223131276121
BaseRepresentation
bin1110011101001…
…10110000000100
322110012010010210
413032212300010
5222021104002
620011115420
73001525446
oct716466004
9273163123
10121269252
11624a9425
1234742b70
131c17c870
141216a496
15a9a696c
hex73a6c04

121269252 has 48 divisors (see below), whose sum is σ = 307177472. Its totient is φ = 37013760.

The previous prime is 121269251. The next prime is 121269257. The reversal of 121269252 is 252962121.

It is not an unprimeable number, because it can be changed into a prime (121269251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16752 + ... + 22872.

Almost surely, 2121269252 is an apocalyptic number.

121269252 is a gapful number since it is divisible by the number (12) 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 121269252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153588736).

121269252 is an abundant number, since it is smaller than the sum of its proper divisors (185908220).

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

121269252 is a wasteful number, since it uses less digits than its factorization.

121269252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 121269252 is about 11012.2319263626. The cubic root of 121269252 is about 494.9753441448.

The spelling of 121269252 in words is "one hundred twenty-one million, two hundred sixty-nine thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 127 156 254 381 508 762 1524 1651 3302 4953 6121 6604 9906 12242 18363 19812 24484 36726 73452 79573 159146 238719 318292 477438 777367 954876 1554734 2332101 3109468 4664202 9328404 10105771 20211542 30317313 40423084 60634626 121269252