125730004531 has 2 divisors, whose sum is σ = 125730004532. Its totient is φ = 125730004530.

The previous prime is 125730004457. The next prime is 125730004577. The reversal of 125730004531 is 135400037521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125730004531 is a prime.

It is a super-2 number, since 2×125730004531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125730004493 and 125730004502.

It is not a weakly prime, because it can be changed into another prime (125730007531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62865002265 + 62865002266.

It is an arithmetic number, because the mean of its divisors is an integer number (62865002266).

Almost surely, 2^125730004531 is an apocalyptic number.

125730004531 is a deficient number, since it is larger than the sum of its proper divisors (1).

125730004531 is an equidigital number, since it uses as much as digits as its factorization.

125730004531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 125730004531 in words is "one hundred twenty-five billion, seven hundred thirty million, four thousand, five hundred thirty-one".