131125573 has 8 divisors (see below), whose sum is σ = 140215320. Its totient is φ = 122188800.

The previous prime is 131125571. The next prime is 131125591. The reversal of 131125573 is 375521131.

It can be written as a sum of positive squares in 4 ways, for example, as 55383364 + 75742209 = 7442^2 + 8703^2 .

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 131125573 - 2¹ = 131125571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131125571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36468 + ... + 39901.

It is an arithmetic number, because the mean of its divisors is an integer number (17526915).

Almost surely, 2^131125573 is an apocalyptic number.

It is an amenable number.

131125573 is a deficient number, since it is larger than the sum of its proper divisors (9089747).

131125573 is a wasteful number, since it uses less digits than its factorization.

131125573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76487.

The product of its digits is 3150, while the sum is 28.

The square root of 131125573 is about 11451.0075102586. The cubic root of 131125573 is about 508.0375344267.

The spelling of 131125573 in words is "one hundred thirty-one million, one hundred twenty-five thousand, five hundred seventy-three".