131101125 has 16 divisors (see below), whose sum is σ = 218152896. Its totient is φ = 69920400.

The previous prime is 131101079. The next prime is 131101133. The reversal of 131101125 is 521101131.

It is not a de Polignac number, because 131101125 - 2⁷ = 131100997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174427 + ... + 175176.

It is an arithmetic number, because the mean of its divisors is an integer number (13634556).

Almost surely, 2^131101125 is an apocalyptic number.

131101125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131101125 is a deficient number, since it is larger than the sum of its proper divisors (87051771).

131101125 is an equidigital number, since it uses as much as digits as its factorization.

131101125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349621 (or 349611 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 131101125 is about 11449.9399561744. The cubic root of 131101125 is about 508.0059584004.

Adding to 131101125 its reverse (521101131), we get a palindrome (652202256).

The spelling of 131101125 in words is "one hundred thirty-one million, one hundred one thousand, one hundred twenty-five".