125903597 has 2 divisors, whose sum is σ = 125903598. Its totient is φ = 125903596.

The previous prime is 125903551. The next prime is 125903599. The reversal of 125903597 is 795309521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125865961 + 37636 = 11219^2 + 194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125903597 is a prime.

Together with 125903599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125903599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62951798 + 62951799.

It is an arithmetic number, because the mean of its divisors is an integer number (62951799).

Almost surely, 2^125903597 is an apocalyptic number.

It is an amenable number.

125903597 is a deficient number, since it is larger than the sum of its proper divisors (1).

125903597 is an equidigital number, since it uses as much as digits as its factorization.

125903597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 125903597 is about 11220.6772077268. The cubic root of 125903597 is about 501.2019045360.

The spelling of 125903597 in words is "one hundred twenty-five million, nine hundred three thousand, five hundred ninety-seven".