125231231 has 8 divisors (see below), whose sum is σ = 134772624. Its totient is φ = 115931520.

The previous prime is 125231219. The next prime is 125231263. The reversal of 125231231 is 132132521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125231231 - 2¹⁴ = 125214847 is a prime.

It is a super-2 number, since 2×125231231² = 31365722435550722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125231201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59345 + ... + 61418.

It is an arithmetic number, because the mean of its divisors is an integer number (16846578).

Almost surely, 2^125231231 is an apocalyptic number.

125231231 is a deficient number, since it is larger than the sum of its proper divisors (9541393).

125231231 is a wasteful number, since it uses less digits than its factorization.

125231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120841.

The product of its digits is 360, while the sum is 20.

The square root of 125231231 is about 11190.6760743040. The cubic root of 125231231 is about 500.3081180875.

Adding to 125231231 its reverse (132132521), we get a palindrome (257363752).

The spelling of 125231231 in words is "one hundred twenty-five million, two hundred thirty-one thousand, two hundred thirty-one".