1056320590 has 16 divisors (see below), whose sum is σ = 2047637088. Its totient is φ = 390026016.

The previous prime is 1056320579. The next prime is 1056320611. The reversal of 1056320590 is 950236501.

It is a super-2 number, since 2×1056320590² = 2231626377715896200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4062642 + ... + 4062901.

It is an arithmetic number, because the mean of its divisors is an integer number (127977318).

Almost surely, 2^1056320590 is an apocalyptic number.

1056320590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056320590 is a deficient number, since it is larger than the sum of its proper divisors (991316498).

1056320590 is a wasteful number, since it uses less digits than its factorization.

1056320590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125563.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1056320590 is about 32501.0859818561. The cubic root of 1056320590 is about 1018.4317146383.

The spelling of 1056320590 in words is "one billion, fifty-six million, three hundred twenty thousand, five hundred ninety".