1012975894 has 16 divisors (see below), whose sum is σ = 1736945568. Its totient is φ = 434028672.

The previous prime is 1012975891. The next prime is 1012975903. The reversal of 1012975894 is 4985792101.

It is a super-2 number, since 2×1012975894² = 2052240323650198472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012975891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93672 + ... + 103924.

It is an arithmetic number, because the mean of its divisors is an integer number (108559098).

Almost surely, 2^1012975894 is an apocalyptic number.

1012975894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1012975894 is a deficient number, since it is larger than the sum of its proper divisors (723969674).

1012975894 is a wasteful number, since it uses less digits than its factorization.

1012975894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17319.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 1012975894 is about 31827.2822276738. The cubic root of 1012975894 is about 1004.3067235058.

The spelling of 1012975894 in words is "one billion, twelve million, nine hundred seventy-five thousand, eight hundred ninety-four".