125431151 has 8 divisors (see below), whose sum is σ = 132922944. Its totient is φ = 117952000.

The previous prime is 125431139. The next prime is 125431153. The reversal of 125431151 is 151134521.

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 125431151 - 2²² = 121236847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125431153) 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, 24026 + ... + 28776.

It is an arithmetic number, because the mean of its divisors is an integer number (16615368).

Almost surely, 2^125431151 is an apocalyptic number.

125431151 is a deficient number, since it is larger than the sum of its proper divisors (7491793).

125431151 is a wasteful number, since it uses less digits than its factorization.

125431151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321.

The product of its digits is 600, while the sum is 23.

The square root of 125431151 is about 11199.6049483899. The cubic root of 125431151 is about 500.5742083172.

Adding to 125431151 its reverse (151134521), we get a palindrome (276565672).

The spelling of 125431151 in words is "one hundred twenty-five million, four hundred thirty-one thousand, one hundred fifty-one".