125335304531 has 16 divisors (see below), whose sum is σ = 130104272928. Its totient is φ = 120643084800.

The previous prime is 125335304513. The next prime is 125335304557. The reversal of 125335304531 is 135403533521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125335304531 - 2²⁶ = 125268195667 is a prime.

It is a super-2 number, since 2×125335304531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125335304491 and 125335304500.

It is not an unprimeable number, because it can be changed into a prime (125335304431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2234216 + ... + 2289626.

It is an arithmetic number, because the mean of its divisors is an integer number (8131517058).

Almost surely, 2^125335304531 is an apocalyptic number.

125335304531 is a deficient number, since it is larger than the sum of its proper divisors (4768968397).

125335304531 is a wasteful number, since it uses less digits than its factorization.

125335304531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56102.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 125335304531 in words is "one hundred twenty-five billion, three hundred thirty-five million, three hundred four thousand, five hundred thirty-one".