125252640031 has 2 divisors, whose sum is σ = 125252640032. Its totient is φ = 125252640030.

The previous prime is 125252640017. The next prime is 125252640053. The reversal of 125252640031 is 130046252521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125252640031 - 2⁷ = 125252639903 is a prime.

It is a super-2 number, since 2×125252640031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125252639975 and 125252640002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125259640031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62626320015 + 62626320016.

It is an arithmetic number, because the mean of its divisors is an integer number (62626320016).

Almost surely, 2^125252640031 is an apocalyptic number.

125252640031 is a deficient number, since it is larger than the sum of its proper divisors (1).

125252640031 is an equidigital number, since it uses as much as digits as its factorization.

125252640031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 125252640031 its reverse (130046252521), we get a palindrome (255298892552).

The spelling of 125252640031 in words is "one hundred twenty-five billion, two hundred fifty-two million, six hundred forty thousand, thirty-one".