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1421130 = 235127373
BaseRepresentation
bin101011010111101001010
32200012102110
411122331022
5330434010
650243150
715036144
oct5327512
92605373
101421130
11890797
125864b6
133a9b09
1428dc94
151d1120
hex15af4a

1421130 has 32 divisors (see below), whose sum is σ = 3446784. Its totient is φ = 374976.

The previous prime is 1421113. The next prime is 1421141. The reversal of 1421130 is 311241.

It is a happy number.

It is a super-2 number, since 2×14211302 = 4039220953800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3624 + ... + 3996.

It is an arithmetic number, because the mean of its divisors is an integer number (107712).

21421130 is an apocalyptic number.

1421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421130 is an abundant number, since it is smaller than the sum of its proper divisors (2025654).

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

1421130 is a wasteful number, since it uses less digits than its factorization.

1421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1421130 is about 1192.1115719596. Note that the first 3 decimals coincide. The cubic root of 1421130 is about 112.4288933375.

Adding to 1421130 its reverse (311241), we get a palindrome (1732371).

It can be divided in two parts, 14211 and 30, that added together give a palindrome (14241).

The spelling of 1421130 in words is "one million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 127 254 373 381 635 746 762 1119 1270 1865 1905 2238 3730 3810 5595 11190 47371 94742 142113 236855 284226 473710 710565 1421130