1012963880 has 16 divisors (see below), whose sum is σ = 2279168820. Its totient is φ = 405185536.

The previous prime is 1012963879. The next prime is 1012963883. The reversal of 1012963880 is 883692101.

It can be written as a sum of positive squares in 2 ways, for example, as 943841284 + 69122596 = 30722^2 + 8314^2 .

It is not an unprimeable number, because it can be changed into a prime (1012963883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12662009 + ... + 12662088.

Almost surely, 2^1012963880 is an apocalyptic number.

1012963880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012963880 is an abundant number, since it is smaller than the sum of its proper divisors (1266204940).

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

1012963880 is a wasteful number, since it uses less digits than its factorization.

1012963880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25324108 (or 25324104 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1012963880 is about 31827.0934896669. The cubic root of 1012963880 is about 1004.3027530959.

The spelling of 1012963880 in words is "one billion, twelve million, nine hundred sixty-three thousand, eight hundred eighty".