125354004531 has 32 divisors (see below), whose sum is σ = 192294778368. Its totient is φ = 71152784640.

The previous prime is 125354004527. The next prime is 125354004547. The reversal of 125354004531 is 135400453521.

It is not a de Polignac number, because 125354004531 - 2² = 125354004527 is a prime.

It is a super-2 number, since 2×125354004531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125354004492 and 125354004501.

It is not an unprimeable number, because it can be changed into a prime (125354003531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1855791 + ... + 1922151.

It is an arithmetic number, because the mean of its divisors is an integer number (6009211824).

Almost surely, 2^125354004531 is an apocalyptic number.

125354004531 is a deficient number, since it is larger than the sum of its proper divisors (66940773837).

125354004531 is a wasteful number, since it uses less digits than its factorization.

125354004531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66971.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 125354004531 in words is "one hundred twenty-five billion, three hundred fifty-four million, four thousand, five hundred thirty-one".