125876137 has 2 divisors, whose sum is σ = 125876138. Its totient is φ = 125876136.

The previous prime is 125876119. The next prime is 125876147. The reversal of 125876137 is 731678521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124188736 + 1687401 = 11144^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 125876137 - 2¹⁵ = 125843369 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125876137.

It is not a weakly prime, because it can be changed into another prime (125876117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62938068 + 62938069.

It is an arithmetic number, because the mean of its divisors is an integer number (62938069).

Almost surely, 2^125876137 is an apocalyptic number.

It is an amenable number.

125876137 is a deficient number, since it is larger than the sum of its proper divisors (1).

125876137 is an equidigital number, since it uses as much as digits as its factorization.

125876137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 40.

The square root of 125876137 is about 11219.4535071901. The cubic root of 125876137 is about 501.1654639435.

The spelling of 125876137 in words is "one hundred twenty-five million, eight hundred seventy-six thousand, one hundred thirty-seven".