1012689968 has 20 divisors (see below), whose sum is σ = 2065355160. Its totient is φ = 479695104.

The previous prime is 1012689943. The next prime is 1012690001. The reversal of 1012689968 is 8699862101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665305 + ... + 1665912.

It is an arithmetic number, because the mean of its divisors is an integer number (103267758).

Almost surely, 2^1012689968 is an apocalyptic number.

It is an amenable number.

1012689968 is an abundant number, since it is smaller than the sum of its proper divisors (1052665192).

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

1012689968 is a wasteful number, since it uses less digits than its factorization.

1012689968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331244 (or 3331238 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 1012689968 is about 31822.7900725251. The cubic root of 1012689968 is about 1004.2122216102.

The spelling of 1012689968 in words is "one billion, twelve million, six hundred eighty-nine thousand, nine hundred sixty-eight".