1272530924 has 24 divisors (see below), whose sum is σ = 2562151200. Its totient is φ = 541708416.

The previous prime is 1272530911. The next prime is 1272530929. The reversal of 1272530924 is 4290352721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1272530929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148337 + ... + 156680.

It is an arithmetic number, because the mean of its divisors is an integer number (106756300).

Almost surely, 2^1272530924 is an apocalyptic number.

1272530924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1272530924 is an abundant number, since it is smaller than the sum of its proper divisors (1289620276).

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

1272530924 is a wasteful number, since it uses less digits than its factorization.

1272530924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305177 (or 305175 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1272530924 is about 35672.5514086111. The cubic root of 1272530924 is about 1083.6510305367.

The spelling of 1272530924 in words is "one billion, two hundred seventy-two million, five hundred thirty thousand, nine hundred twenty-four".