1047557956 has 9 divisors (see below), whose sum is σ = 1833339711. Its totient is φ = 523746612.

The previous prime is 1047557911. The next prime is 1047557971. The reversal of 1047557956 is 6597557401.

The square root of 1047557956 is 32366.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 56641 + ... + 72823.

Almost surely, 2^1047557956 is an apocalyptic number.

1047557956 is the 32366-th square number.

It is an amenable number.

1047557956 is a deficient number, since it is larger than the sum of its proper divisors (785781755).

1047557956 is an frugal number, since it uses more digits than its factorization.

1047557956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32370 (or 16185 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 49.

The cubic root of 1047557956 is about 1015.6077817812.

Multiplying 1047557956 by its sum of digits (49), we get a square (51330339844 = 226562²).

The spelling of 1047557956 in words is "one billion, forty-seven million, five hundred fifty-seven thousand, nine hundred fifty-six".