125503597 has 2 divisors, whose sum is σ = 125503598. Its totient is φ = 125503596.

The previous prime is 125503589. The next prime is 125503603. The reversal of 125503597 is 795305521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84107241 + 41396356 = 9171^2 + 6434^2 .

It is a cyclic number.

It is not a de Polignac number, because 125503597 - 2³ = 125503589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125503577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62751798 + 62751799.

It is an arithmetic number, because the mean of its divisors is an integer number (62751799).

Almost surely, 2^125503597 is an apocalyptic number.

It is an amenable number.

125503597 is a deficient number, since it is larger than the sum of its proper divisors (1).

125503597 is an equidigital number, since it uses as much as digits as its factorization.

125503597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 125503597 is about 11202.8387920205. The cubic root of 125503597 is about 500.6705629553.

The spelling of 125503597 in words is "one hundred twenty-five million, five hundred three thousand, five hundred ninety-seven".