1012664305 has 4 divisors (see below), whose sum is σ = 1215197172. Its totient is φ = 810131440.

The previous prime is 1012664297. The next prime is 1012664351. The reversal of 1012664305 is 5034662101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 491774976 + 520889329 = 22176^2 + 22823^2 .

It is not a de Polignac number, because 1012664305 - 2³ = 1012664297 is a prime.

It is a super-2 number, since 2×1012664305² = 2050977989242266050, which contains 22 as substring.

It is a Duffinian 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, 101266426 + ... + 101266435.

It is an arithmetic number, because the mean of its divisors is an integer number (303799293).

Almost surely, 2^1012664305 is an apocalyptic number.

It is an amenable number.

1012664305 is a deficient number, since it is larger than the sum of its proper divisors (202532867).

1012664305 is an equidigital number, since it uses as much as digits as its factorization.

1012664305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202532866.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1012664305 is about 31822.3868526545. The cubic root of 1012664305 is about 1004.2037388179.

The spelling of 1012664305 in words is "one billion, twelve million, six hundred sixty-four thousand, three hundred five".