125371501 has 2 divisors, whose sum is σ = 125371502. Its totient is φ = 125371500.

The previous prime is 125371487. The next prime is 125371511. The reversal of 125371501 is 105173521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66096900 + 59274601 = 8130^2 + 7699^2 .

It is a cyclic number.

It is not a de Polignac number, because 125371501 - 2⁵ = 125371469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125371511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62685750 + 62685751.

It is an arithmetic number, because the mean of its divisors is an integer number (62685751).

Almost surely, 2^125371501 is an apocalyptic number.

It is an amenable number.

125371501 is a deficient number, since it is larger than the sum of its proper divisors (1).

125371501 is an equidigital number, since it uses as much as digits as its factorization.

125371501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 125371501 is about 11196.9415913454. The cubic root of 125371501 is about 500.4948447624.

The spelling of 125371501 in words is "one hundred twenty-five million, three hundred seventy-one thousand, five hundred one".