1012981908 has 48 divisors (see below), whose sum is σ = 2395008000. Its totient is φ = 333203328.

The previous prime is 1012981901. The next prime is 1012981909. The reversal of 1012981908 is 8091892101.

It is a super-2 number, since 2×1012981908² = 2052264691870640928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012981901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350413 + ... + 353291.

It is an arithmetic number, because the mean of its divisors is an integer number (49896000).

Almost surely, 2^1012981908 is an apocalyptic number.

It is an amenable number.

1012981908 is an abundant number, since it is smaller than the sum of its proper divisors (1382026092).

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

1012981908 is a wasteful number, since it uses less digits than its factorization.

1012981908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3262 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 39.

The square root of 1012981908 is about 31827.3767062257. The cubic root of 1012981908 is about 1004.3087110124.

The spelling of 1012981908 in words is "one billion, twelve million, nine hundred eighty-one thousand, nine hundred eight".