125260129 has 2 divisors, whose sum is σ = 125260130. Its totient is φ = 125260128.

The previous prime is 125260081. The next prime is 125260159. The reversal of 125260129 is 921062521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124367104 + 893025 = 11152^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 125260129 - 2²⁵ = 91705697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125260097 and 125260106.

It is not a weakly prime, because it can be changed into another prime (125260159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62630064 + 62630065.

It is an arithmetic number, because the mean of its divisors is an integer number (62630065).

Almost surely, 2^125260129 is an apocalyptic number.

It is an amenable number.

125260129 is a deficient number, since it is larger than the sum of its proper divisors (1).

125260129 is an equidigital number, since it uses as much as digits as its factorization.

125260129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 125260129 is about 11191.9671639976. The cubic root of 125260129 is about 500.3465983503.

The spelling of 125260129 in words is "one hundred twenty-five million, two hundred sixty thousand, one hundred twenty-nine".