1012579873 has 2 divisors, whose sum is σ = 1012579874. Its totient is φ = 1012579872.

The previous prime is 1012579849. The next prime is 1012579879. The reversal of 1012579873 is 3789752101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 737285409 + 275294464 = 27153^2 + 16592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012579873 is a prime.

It is a super-2 number, since 2×1012579873² = 2050635998409392258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012579879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506289936 + 506289937.

It is an arithmetic number, because the mean of its divisors is an integer number (506289937).

Almost surely, 2^1012579873 is an apocalyptic number.

It is an amenable number.

1012579873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012579873 is an equidigital number, since it uses as much as digits as its factorization.

1012579873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 1012579873 is about 31821.0602117528. The cubic root of 1012579873 is about 1004.1758291786.

It can be divided in two parts, 10125 and 79873, that added together give a palindrome (89998).

The spelling of 1012579873 in words is "one billion, twelve million, five hundred seventy-nine thousand, eight hundred seventy-three".