102113579 has 2 divisors, whose sum is σ = 102113580. Its totient is φ = 102113578.

The previous prime is 102113569. The next prime is 102113587. The reversal of 102113579 is 975311201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102113579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102113569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056789 + 51056790.

It is an arithmetic number, because the mean of its divisors is an integer number (51056790).

Almost surely, 2^102113579 is an apocalyptic number.

102113579 is a deficient number, since it is larger than the sum of its proper divisors (1).

102113579 is an equidigital number, since it uses as much as digits as its factorization.

102113579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 102113579 is about 10105.1263722924. The cubic root of 102113579 is about 467.4062328266.

The spelling of 102113579 in words is "one hundred two million, one hundred thirteen thousand, five hundred seventy-nine".