125713437 has 4 divisors (see below), whose sum is σ = 167617920. Its totient is φ = 83808956.

The previous prime is 125713433. The next prime is 125713447. The reversal of 125713437 is 734317521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125713437 - 2² = 125713433 is a prime.

It is a super-3 number, since 3×125713437³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125713398 and 125713407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125713433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20952237 + ... + 20952242.

It is an arithmetic number, because the mean of its divisors is an integer number (41904480).

Almost surely, 2^125713437 is an apocalyptic number.

It is an amenable number.

125713437 is a deficient number, since it is larger than the sum of its proper divisors (41904483).

125713437 is an equidigital number, since it uses as much as digits as its factorization.

125713437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41904482.

The product of its digits is 17640, while the sum is 33.

The square root of 125713437 is about 11212.2003638893. The cubic root of 125713437 is about 500.9494452994.

The spelling of 125713437 in words is "one hundred twenty-five million, seven hundred thirteen thousand, four hundred thirty-seven".