125195985037 has 2 divisors, whose sum is σ = 125195985038. Its totient is φ = 125195985036.

The previous prime is 125195984959. The next prime is 125195985067. The reversal of 125195985037 is 730589591521.

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., 123418013481 + 1777971556 = 351309^2 + 42166^2 .

It is a cyclic number.

It is not a de Polignac number, because 125195985037 - 2²⁷ = 125061767309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125195985067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62597992518 + 62597992519.

It is an arithmetic number, because the mean of its divisors is an integer number (62597992519).

Almost surely, 2^125195985037 is an apocalyptic number.

It is an amenable number.

125195985037 is a deficient number, since it is larger than the sum of its proper divisors (1).

125195985037 is an equidigital number, since it uses as much as digits as its factorization.

125195985037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 55.

The spelling of 125195985037 in words is "one hundred twenty-five billion, one hundred ninety-five million, nine hundred eighty-five thousand, thirty-seven".