102167939 has 2 divisors, whose sum is σ = 102167940. Its totient is φ = 102167938.

The previous prime is 102167927. The next prime is 102167951. The reversal of 102167939 is 939761201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (102167927) and next prime (102167951).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102167939 is a prime.

It is not a weakly prime, because it can be changed into another prime (102167239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51083969 + 51083970.

It is an arithmetic number, because the mean of its divisors is an integer number (51083970).

Almost surely, 2^102167939 is an apocalyptic number.

102167939 is a deficient number, since it is larger than the sum of its proper divisors (1).

102167939 is an equidigital number, since it uses as much as digits as its factorization.

102167939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 102167939 is about 10107.8157383284. The cubic root of 102167939 is about 467.4891590993.

The spelling of 102167939 in words is "one hundred two million, one hundred sixty-seven thousand, nine hundred thirty-nine".