125157437 has 2 divisors, whose sum is σ = 125157438. Its totient is φ = 125157436.

The previous prime is 125157413. The next prime is 125157457. The reversal of 125157437 is 734751521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109704676 + 15452761 = 10474^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 125157437 - 2⁸ = 125157181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125157397 and 125157406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125157457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62578718 + 62578719.

It is an arithmetic number, because the mean of its divisors is an integer number (62578719).

Almost surely, 2^125157437 is an apocalyptic number.

It is an amenable number.

125157437 is a deficient number, since it is larger than the sum of its proper divisors (1).

125157437 is an equidigital number, since it uses as much as digits as its factorization.

125157437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 125157437 is about 11187.3784686136. The cubic root of 125157437 is about 500.2098279322.

The spelling of 125157437 in words is "one hundred twenty-five million, one hundred fifty-seven thousand, four hundred thirty-seven".