1063390972 has 24 divisors (see below), whose sum is σ = 2137927680. Its totient is φ = 453350640.

The previous prime is 1063390963. The next prime is 1063390981. The reversal of 1063390972 is 2790933601.

It is an interprime number because it is at equal distance from previous prime (1063390963) and next prime (1063390981).

It is a super-2 number, since 2×1063390972² = 2261600718662209568, 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, 94072 + ... + 104767.

It is an arithmetic number, because the mean of its divisors is an integer number (89080320).

Almost surely, 2^1063390972 is an apocalyptic number.

It is an amenable number.

1063390972 is an abundant number, since it is smaller than the sum of its proper divisors (1074536708).

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

1063390972 is a wasteful number, since it uses less digits than its factorization.

1063390972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199041 (or 199039 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 1063390972 is about 32609.6760486822. The cubic root of 1063390972 is about 1020.6989224885.

The spelling of 1063390972 in words is "one billion, sixty-three million, three hundred ninety thousand, nine hundred seventy-two".