125233431 has 4 divisors (see below), whose sum is σ = 166977912. Its totient is φ = 83488952.

The previous prime is 125233417. The next prime is 125233439. The reversal of 125233431 is 134332521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125233431 - 2¹¹ = 125231383 is a prime.

It is a super-2 number, since 2×125233431² = 31366824480063522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125233439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20872236 + ... + 20872241.

It is an arithmetic number, because the mean of its divisors is an integer number (41744478).

Almost surely, 2^125233431 is an apocalyptic number.

125233431 is a deficient number, since it is larger than the sum of its proper divisors (41744481).

125233431 is an equidigital number, since it uses as much as digits as its factorization.

125233431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41744480.

The product of its digits is 2160, while the sum is 24.

The square root of 125233431 is about 11190.7743699889. The cubic root of 125233431 is about 500.3110477918.

Adding to 125233431 its reverse (134332521), we get a palindrome (259565952).

The spelling of 125233431 in words is "one hundred twenty-five million, two hundred thirty-three thousand, four hundred thirty-one".