1056507212 has 6 divisors (see below), whose sum is σ = 1848887628. Its totient is φ = 528253604.

The previous prime is 1056507191. The next prime is 1056507223. The reversal of 1056507212 is 2127056501.

It is a super-2 number, since 2×1056507212² = 2232414978016025888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132063398 + ... + 132063405.

It is an arithmetic number, because the mean of its divisors is an integer number (308147938).

Almost surely, 2^1056507212 is an apocalyptic number.

It is an amenable number.

1056507212 is a deficient number, since it is larger than the sum of its proper divisors (792380416).

1056507212 is a wasteful number, since it uses less digits than its factorization.

1056507212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264126807 (or 264126805 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1056507212 is about 32503.9568668185. The cubic root of 1056507212 is about 1018.4916871421.

The spelling of 1056507212 in words is "one billion, fifty-six million, five hundred seven thousand, two hundred twelve".