1011312079 has 2 divisors, whose sum is σ = 1011312080. Its totient is φ = 1011312078.

The previous prime is 1011312067. The next prime is 1011312119. The reversal of 1011312079 is 9702131101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011312079 is a prime.

It is a super-2 number, since 2×1011312079² = 2045504242262604482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011312179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505656039 + 505656040.

It is an arithmetic number, because the mean of its divisors is an integer number (505656040).

Almost surely, 2^1011312079 is an apocalyptic number.

1011312079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011312079 is an equidigital number, since it uses as much as digits as its factorization.

1011312079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1011312079 is about 31801.1332974157. The cubic root of 1011312079 is about 1003.7565635596.

The spelling of 1011312079 in words is "one billion, eleven million, three hundred twelve thousand, seventy-nine".