129368051 has 2 divisors, whose sum is σ = 129368052. Its totient is φ = 129368050.

The previous prime is 129368039. The next prime is 129368069. The reversal of 129368051 is 150863921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129368051 - 2²⁶ = 62259187 is a prime.

It is not a weakly prime, because it can be changed into another prime (129368081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64684025 + 64684026.

It is an arithmetic number, because the mean of its divisors is an integer number (64684026).

Almost surely, 2^129368051 is an apocalyptic number.

129368051 is a deficient number, since it is larger than the sum of its proper divisors (1).

129368051 is an equidigital number, since it uses as much as digits as its factorization.

129368051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 129368051 is about 11374.0076929814. The cubic root of 129368051 is about 505.7575155549.

The spelling of 129368051 in words is "one hundred twenty-nine million, three hundred sixty-eight thousand, fifty-one".