125231211 has 48 divisors (see below), whose sum is σ = 218150400. Its totient is φ = 70788816.

The previous prime is 125231203. The next prime is 125231219. The reversal of 125231211 is 112132521.

It is an interprime number because it is at equal distance from previous prime (125231203) and next prime (125231219).

It is not a de Polignac number, because 125231211 - 2³ = 125231203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125231219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135810 + ... + 136728.

It is an arithmetic number, because the mean of its divisors is an integer number (4544800).

Almost surely, 2^125231211 is an apocalyptic number.

125231211 is a deficient number, since it is larger than the sum of its proper divisors (92919189).

125231211 is a wasteful number, since it uses less digits than its factorization.

125231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1032 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 125231211 is about 11190.6751807029. The cubic root of 125231211 is about 500.3080914537.

Adding to 125231211 its reverse (112132521), we get a palindrome (237363732).

The spelling of 125231211 in words is "one hundred twenty-five million, two hundred thirty-one thousand, two hundred eleven".