1012881904 has 40 divisors (see below), whose sum is σ = 1977730560. Its totient is φ = 502519488.

The previous prime is 1012881901. The next prime is 1012881907. The reversal of 1012881904 is 4091882101.

It is an interprime number because it is at equal distance from previous prime (1012881901) and next prime (1012881907).

It is a self number, because there is not a number n which added to its sum of digits gives 1012881904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012881901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114337 + ... + 2114815.

It is an arithmetic number, because the mean of its divisors is an integer number (49443264).

Almost surely, 2^1012881904 is an apocalyptic number.

It is an amenable number.

1012881904 is a deficient number, since it is larger than the sum of its proper divisors (964848656).

1012881904 is a wasteful number, since it uses less digits than its factorization.

1012881904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1012881904 is about 31825.8056300229. The cubic root of 1012881904 is about 1004.2756606710.

The spelling of 1012881904 in words is "one billion, twelve million, eight hundred eighty-one thousand, nine hundred four".