1056046820 has 24 divisors (see below), whose sum is σ = 2220322104. Its totient is φ = 421918976.

The previous prime is 1056046819. The next prime is 1056046843. The reversal of 1056046820 is 286406501.

It can be written as a sum of positive squares in 4 ways, for example, as 41242084 + 1014804736 = 6422^2 + 31856^2 .

It is a super-2 number, since 2×1056046820² = 2230469772064224800, which contains 22 as substring.

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, 13667 + ... + 47946.

It is an arithmetic number, because the mean of its divisors is an integer number (92513421).

Almost surely, 2^1056046820 is an apocalyptic number.

1056046820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056046820 is an abundant number, since it is smaller than the sum of its proper divisors (1164275284).

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

1056046820 is a wasteful number, since it uses less digits than its factorization.

1056046820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62479 (or 62477 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1056046820 is about 32496.8740035099. The cubic root of 1056046820 is about 1018.3437236301.

The spelling of 1056046820 in words is "one billion, fifty-six million, forty-six thousand, eight hundred twenty".