192130979 has 2 divisors, whose sum is σ = 192130980. Its totient is φ = 192130978.

The previous prime is 192130969. The next prime is 192130997. The reversal of 192130979 is 979031291.

Together with next prime (192130997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192130979 is a prime.

It is not a weakly prime, because it can be changed into another prime (192130909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96065489 + 96065490.

It is an arithmetic number, because the mean of its divisors is an integer number (96065490).

Almost surely, 2^192130979 is an apocalyptic number.

192130979 is a deficient number, since it is larger than the sum of its proper divisors (1).

192130979 is an equidigital number, since it uses as much as digits as its factorization.

192130979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 192130979 is about 13861.1319523335. The cubic root of 192130979 is about 577.0309819195.

The spelling of 192130979 in words is "one hundred ninety-two million, one hundred thirty thousand, nine hundred seventy-nine".