1256047032 has 32 divisors (see below), whose sum is σ = 3175405200. Its totient is φ = 413977344.

The previous prime is 1256047027. The next prime is 1256047033. The reversal of 1256047032 is 2307406521.

1256047032 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256047033) 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, 291883 + ... + 296154.

Almost surely, 2^1256047032 is an apocalyptic number.

1256047032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1256047032 is an abundant number, since it is smaller than the sum of its proper divisors (1919358168).

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

1256047032 is a wasteful number, since it uses less digits than its factorization.

1256047032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588135 (or 588131 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1256047032 is about 35440.7538294546. The cubic root of 1256047032 is about 1078.9516095093.

The spelling of 1256047032 in words is "one billion, two hundred fifty-six million, forty-seven thousand, thirty-two".