1272130932 has 12 divisors (see below), whose sum is σ = 2968305536. Its totient is φ = 424043640.

The previous prime is 1272130931. The next prime is 1272130949. The reversal of 1272130932 is 2390312721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1272130932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272130931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53005444 + ... + 53005467.

Almost surely, 2^1272130932 is an apocalyptic number.

1272130932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1272130932 is an abundant number, since it is smaller than the sum of its proper divisors (1696174604).

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

1272130932 is a wasteful number, since it uses less digits than its factorization.

1272130932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106010918 (or 106010916 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1272130932 is about 35666.9445285127. The cubic root of 1272130932 is about 1083.5374780464.

The spelling of 1272130932 in words is "one billion, two hundred seventy-two million, one hundred thirty thousand, nine hundred thirty-two".