102112379 has 2 divisors, whose sum is σ = 102112380. Its totient is φ = 102112378.

The previous prime is 102112363. The next prime is 102112429. The reversal of 102112379 is 973211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102112379 - 2⁴ = 102112363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102112349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056189 + 51056190.

It is an arithmetic number, because the mean of its divisors is an integer number (51056190).

Almost surely, 2^102112379 is an apocalyptic number.

102112379 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112379 is an equidigital number, since it uses as much as digits as its factorization.

102112379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 102112379 is about 10105.0669963143. The cubic root of 102112379 is about 467.4044018926.

The spelling of 102112379 in words is "one hundred two million, one hundred twelve thousand, three hundred seventy-nine".