102142959179 has 2 divisors, whose sum is σ = 102142959180. Its totient is φ = 102142959178.

The previous prime is 102142959143. The next prime is 102142959227. The reversal of 102142959179 is 971959241201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102142959179 - 2²⁰ = 102141910603 is a prime.

It is not a weakly prime, because it can be changed into another prime (102142959119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51071479589 + 51071479590.

It is an arithmetic number, because the mean of its divisors is an integer number (51071479590).

Almost surely, 2^102142959179 is an apocalyptic number.

102142959179 is a deficient number, since it is larger than the sum of its proper divisors (1).

102142959179 is an equidigital number, since it uses as much as digits as its factorization.

102142959179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 102142959179 in words is "one hundred two billion, one hundred forty-two million, nine hundred fifty-nine thousand, one hundred seventy-nine".