125104601537 has 2 divisors, whose sum is σ = 125104601538. Its totient is φ = 125104601536.

The previous prime is 125104601459. The next prime is 125104601683. The reversal of 125104601537 is 735106401521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116751372721 + 8353228816 = 341689^2 + 91396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125104601537 is a prime.

It is a super-2 number, since 2×125104601537² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125104601497 and 125104601506.

It is not a weakly prime, because it can be changed into another prime (125104601437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62552300768 + 62552300769.

It is an arithmetic number, because the mean of its divisors is an integer number (62552300769).

Almost surely, 2^125104601537 is an apocalyptic number.

It is an amenable number.

125104601537 is a deficient number, since it is larger than the sum of its proper divisors (1).

125104601537 is an equidigital number, since it uses as much as digits as its factorization.

125104601537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 125104601537 in words is "one hundred twenty-five billion, one hundred four million, six hundred one thousand, five hundred thirty-seven".