125413231 has 2 divisors, whose sum is σ = 125413232. Its totient is φ = 125413230.

The previous prime is 125413177. The next prime is 125413237. The reversal of 125413231 is 132314521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125413231 - 2⁷ = 125413103 is a prime.

It is a super-2 number, since 2×125413231² = 31456957019718722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125413237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62706615 + 62706616.

It is an arithmetic number, because the mean of its divisors is an integer number (62706616).

Almost surely, 2^125413231 is an apocalyptic number.

125413231 is a deficient number, since it is larger than the sum of its proper divisors (1).

125413231 is an equidigital number, since it uses as much as digits as its factorization.

125413231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 125413231 is about 11198.8048915945. The cubic root of 125413231 is about 500.5503686331.

Adding to 125413231 its reverse (132314521), we get a palindrome (257727752).

The spelling of 125413231 in words is "one hundred twenty-five million, four hundred thirteen thousand, two hundred thirty-one".