1061564402 has 12 divisors (see below), whose sum is σ = 1664590830. Its totient is φ = 507704208.

The previous prime is 1061564393. The next prime is 1061564417. The reversal of 1061564402 is 2044651601.

It can be written as a sum of positive squares in only one way, i.e., 703257361 + 358307041 = 26519^2 + 18929^2 .

It is a super-2 number, since 2×1061564402² = 2253837959187235208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500627 + ... + 502742.

Almost surely, 2^1061564402 is an apocalyptic number.

1061564402 is a deficient number, since it is larger than the sum of its proper divisors (603026428).

1061564402 is a wasteful number, since it uses less digits than its factorization.

1061564402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003417 (or 1003394 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1061564402 is about 32581.6574470974. The cubic root of 1061564402 is about 1020.1141747113.

The spelling of 1061564402 in words is "one billion, sixty-one million, five hundred sixty-four thousand, four hundred two".