125297649873 has 32 divisors (see below), whose sum is σ = 202557888000. Its totient is φ = 75916731600.

The previous prime is 125297649833. The next prime is 125297649887. The reversal of 125297649873 is 378946792521.

125297649873 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 9 + 76 + 498 + 73 = 666.

It is not a de Polignac number, because 125297649873 - 2⁶ = 125297649809 is a prime.

It is a super-2 number, since 2×125297649873² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125297649873.

It is not an unprimeable number, because it can be changed into a prime (125297649833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1039078 + ... + 1153376.

It is an arithmetic number, because the mean of its divisors is an integer number (6329934000).

Almost surely, 2^125297649873 is an apocalyptic number.

It is an amenable number.

125297649873 is a deficient number, since it is larger than the sum of its proper divisors (77260238127).

125297649873 is a wasteful number, since it uses less digits than its factorization.

125297649873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118010 (or 118004 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 125297649873 in words is "one hundred twenty-five billion, two hundred ninety-seven million, six hundred forty-nine thousand, eight hundred seventy-three".