131151125 has 32 divisors (see below), whose sum is σ = 192162048. Its totient is φ = 87480000.

The previous prime is 131151121. The next prime is 131151133. The reversal of 131151125 is 521151131.

It is a happy number.

It is not a de Polignac number, because 131151125 - 2² = 131151121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131151097 and 131151106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131151121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30350 + ... + 34400.

It is an arithmetic number, because the mean of its divisors is an integer number (6005064).

Almost surely, 2^131151125 is an apocalyptic number.

It is an amenable number.

131151125 is a deficient number, since it is larger than the sum of its proper divisors (61010923).

131151125 is an equidigital number, since it uses as much as digits as its factorization.

131151125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110 (or 4100 counting only the distinct ones).

The product of its digits is 150, while the sum is 20.

The square root of 131151125 is about 11452.1231655968. The cubic root of 131151125 is about 508.0705321394.

The spelling of 131151125 in words is "one hundred thirty-one million, one hundred fifty-one thousand, one hundred twenty-five".