1047405056 has 20 divisors (see below), whose sum is σ = 2092765422. Its totient is φ = 523702272.

The previous prime is 1047405053. The next prime is 1047405059. The reversal of 1047405056 is 6505047401.

It is an interprime number because it is at equal distance from previous prime (1047405053) and next prime (1047405059).

It can be written as a sum of positive squares in only one way, i.e., 862009600 + 185395456 = 29360^2 + 13616^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1047405053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022345 + ... + 1023368.

Almost surely, 2^1047405056 is an apocalyptic number.

1047405056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1047405056 is a deficient number, since it is larger than the sum of its proper divisors (1045360366).

1047405056 is an frugal number, since it uses more digits than its factorization.

1047405056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045731 (or 2045715 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1047405056 is about 32363.6378672114. The cubic root of 1047405056 is about 1015.5583671769.

The spelling of 1047405056 in words is "one billion, forty-seven million, four hundred five thousand, fifty-six".