125517037 has 2 divisors, whose sum is σ = 125517038. Its totient is φ = 125517036.

The previous prime is 125516981. The next prime is 125517083. The reversal of 125517037 is 730715521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118788201 + 6728836 = 10899^2 + 2594^2 .

It is an emirp because it is prime and its reverse (730715521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125517037 - 2¹⁵ = 125484269 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125517437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62758518 + 62758519.

It is an arithmetic number, because the mean of its divisors is an integer number (62758519).

Almost surely, 2^125517037 is an apocalyptic number.

It is an amenable number.

125517037 is a deficient number, since it is larger than the sum of its proper divisors (1).

125517037 is an equidigital number, since it uses as much as digits as its factorization.

125517037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 125517037 is about 11203.4386239226. The cubic root of 125517037 is about 500.6884343479.

The spelling of 125517037 in words is "one hundred twenty-five million, five hundred seventeen thousand, thirty-seven".