1012553634 has 32 divisors (see below), whose sum is σ = 2065616640. Its totient is φ = 330800912.

The previous prime is 1012553599. The next prime is 1012553657. The reversal of 1012553634 is 4363552101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118717 + ... + 126959.

It is an arithmetic number, because the mean of its divisors is an integer number (64550520).

Almost surely, 2^1012553634 is an apocalyptic number.

1012553634 is an abundant number, since it is smaller than the sum of its proper divisors (1053063006).

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

1012553634 is a wasteful number, since it uses less digits than its factorization.

1012553634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1012553634 is about 31820.6479192363. The cubic root of 1012553634 is about 1004.1671553617.

The spelling of 1012553634 in words is "one billion, twelve million, five hundred fifty-three thousand, six hundred thirty-four".