1012111039 has 2 divisors, whose sum is σ = 1012111040. Its totient is φ = 1012111038.

The previous prime is 1012110989. The next prime is 1012111043. The reversal of 1012111039 is 9301112101.

It is a strong prime.

It is an emirp because it is prime and its reverse (9301112101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012111039 - 2²³ = 1003722431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012112039) by changing a digit.

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 as a sum of consecutive naturals, namely, 506055519 + 506055520.

It is an arithmetic number, because the mean of its divisors is an integer number (506055520).

Almost surely, 2^1012111039 is an apocalyptic number.

1012111039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012111039 is an equidigital number, since it uses as much as digits as its factorization.

1012111039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1012111039 is about 31813.6926338330. The cubic root of 1012111039 is about 1004.0208243037.

The spelling of 1012111039 in words is "one billion, twelve million, one hundred eleven thousand, thirty-nine".