125144617173 has 12 divisors (see below), whose sum is σ = 177252123360. Its totient is φ = 78522112192.

The previous prime is 125144617133. The next prime is 125144617231. The reversal of 125144617173 is 371716441521.

It is a happy number.

It is not a de Polignac number, because 125144617173 - 2¹⁸ = 125144355029 is a prime.

It is a super-2 number, since 2×125144617173² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125144617133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72170193 + ... + 72171926.

It is an arithmetic number, because the mean of its divisors is an integer number (14771010280).

Almost surely, 2^125144617173 is an apocalyptic number.

It is an amenable number.

125144617173 is a deficient number, since it is larger than the sum of its proper divisors (52107506187).

125144617173 is a wasteful number, since it uses less digits than its factorization.

125144617173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144342156 (or 144342139 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The spelling of 125144617173 in words is "one hundred twenty-five billion, one hundred forty-four million, six hundred seventeen thousand, one hundred seventy-three".