125377957 has 2 divisors, whose sum is σ = 125377958. Its totient is φ = 125377956.

The previous prime is 125377951. The next prime is 125378003. The reversal of 125377957 is 759773521.

It is an a-pointer prime, because the next prime (125378003) can be obtained adding 125377957 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101082916 + 24295041 = 10054^2 + 4929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125377957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125377951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62688978 + 62688979.

It is an arithmetic number, because the mean of its divisors is an integer number (62688979).

Almost surely, 2^125377957 is an apocalyptic number.

It is an amenable number.

125377957 is a deficient number, since it is larger than the sum of its proper divisors (1).

125377957 is an equidigital number, since it uses as much as digits as its factorization.

125377957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 463050, while the sum is 46.

The square root of 125377957 is about 11197.2298806446. The cubic root of 125377957 is about 500.5034356017.

The spelling of 125377957 in words is "one hundred twenty-five million, three hundred seventy-seven thousand, nine hundred fifty-seven".