125334312521 has 8 divisors (see below), whose sum is σ = 138969789888. Its totient is φ = 112072410000.

The previous prime is 125334312503. The next prime is 125334312541. The reversal of 125334312521 is 125213433521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125334312521 - 2³⁰ = 124260570697 is a prime.

It is a super-2 number, since 2×125334312521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125334312541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93393005 + ... + 93394346.

It is an arithmetic number, because the mean of its divisors is an integer number (17371223736).

Almost surely, 2^125334312521 is an apocalyptic number.

125334312521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125334312521 is a deficient number, since it is larger than the sum of its proper divisors (13635477367).

125334312521 is a wasteful number, since it uses less digits than its factorization.

125334312521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186787423.

The product of its digits is 21600, while the sum is 32.

The spelling of 125334312521 in words is "one hundred twenty-five billion, three hundred thirty-four million, three hundred twelve thousand, five hundred twenty-one".