1012756986 has 16 divisors (see below), whose sum is σ = 2250571200. Its totient is φ = 337585644.

The previous prime is 1012756961. The next prime is 1012757017. The reversal of 1012756986 is 6896572101.

1012756986 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 7 + 569 + 86 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9377326 + ... + 9377433.

It is an arithmetic number, because the mean of its divisors is an integer number (140660700).

Almost surely, 2^1012756986 is an apocalyptic number.

1012756986 is an abundant number, since it is smaller than the sum of its proper divisors (1237814214).

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

1012756986 is a wasteful number, since it uses less digits than its factorization.

1012756986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18754770 (or 18754764 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1012756986 is about 31823.8430425994. The cubic root of 1012756986 is about 1004.2343734409.

The spelling of 1012756986 in words is "one billion, twelve million, seven hundred fifty-six thousand, nine hundred eighty-six".