125376161 has 2 divisors, whose sum is σ = 125376162. Its totient is φ = 125376160.

The previous prime is 125376157. The next prime is 125376179. The reversal of 125376161 is 161673521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117310561 + 8065600 = 10831^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 125376161 - 2² = 125376157 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125376101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62688080 + 62688081.

It is an arithmetic number, because the mean of its divisors is an integer number (62688081).

Almost surely, 2^125376161 is an apocalyptic number.

It is an amenable number.

125376161 is a deficient number, since it is larger than the sum of its proper divisors (1).

125376161 is an equidigital number, since it uses as much as digits as its factorization.

125376161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 125376161 is about 11197.1496819503. The cubic root of 125376161 is about 500.5010457386.

The spelling of 125376161 in words is "one hundred twenty-five million, three hundred seventy-six thousand, one hundred sixty-one".