125371903 has 2 divisors, whose sum is σ = 125371904. Its totient is φ = 125371902.

The previous prime is 125371867. The next prime is 125371913. The reversal of 125371903 is 309173521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125371903 - 2¹⁷ = 125240831 is a prime.

It is a super-2 number, since 2×125371903² = 31436228123682818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125371913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62685951 + 62685952.

It is an arithmetic number, because the mean of its divisors is an integer number (62685952).

Almost surely, 2^125371903 is an apocalyptic number.

125371903 is a deficient number, since it is larger than the sum of its proper divisors (1).

125371903 is an equidigital number, since it uses as much as digits as its factorization.

125371903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 125371903 is about 11196.9595426616. The cubic root of 125371903 is about 500.4953797025.

The spelling of 125371903 in words is "one hundred twenty-five million, three hundred seventy-one thousand, nine hundred three".