125251231 has 8 divisors (see below), whose sum is σ = 143351840. Its totient is φ = 107202528.

The previous prime is 125251219. The next prime is 125251241. The reversal of 125251231 is 132152521.

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 125251231 - 2²¹ = 123154079 is a prime.

It is a super-2 number, since 2×125251231² = 31375741734030722, 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 (125251241) 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 in 7 ways as a sum of consecutive naturals, for example, 7656 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (17918980).

Almost surely, 2^125251231 is an apocalyptic number.

125251231 is a deficient number, since it is larger than the sum of its proper divisors (18100609).

125251231 is an equidigital number, since it uses as much as digits as its factorization.

125251231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25953.

The product of its digits is 600, while the sum is 22.

The square root of 125251231 is about 11191.5696396886. The cubic root of 125251231 is about 500.3347505009.

The spelling of 125251231 in words is "one hundred twenty-five million, two hundred fifty-one thousand, two hundred thirty-one".