1047472912 has 30 divisors (see below), whose sum is σ = 2059454558. Its totient is φ = 516016512.

The previous prime is 1047472897. The next prime is 1047472939. The reversal of 1047472912 is 2192747401.

It can be written as a sum of positive squares in only one way, i.e., 918332416 + 129140496 = 30304^2 + 11364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1105623 + ... + 1106569.

Almost surely, 2^1047472912 is an apocalyptic number.

It is an amenable number.

1047472912 is a deficient number, since it is larger than the sum of its proper divisors (1011981646).

1047472912 is an frugal number, since it uses more digits than its factorization.

1047472912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1047472912 is about 32364.6861872628. The cubic root of 1047472912 is about 1015.5802976421.

The spelling of 1047472912 in words is "one billion, forty-seven million, four hundred seventy-two thousand, nine hundred twelve".