125648437 has 8 divisors (see below), whose sum is σ = 128505600. Its totient is φ = 122799024.

The previous prime is 125648431. The next prime is 125648447. The reversal of 125648437 is 734846521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125648437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125648437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125648431) 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, 41739 + ... + 44647.

It is an arithmetic number, because the mean of its divisors is an integer number (16063200).

Almost surely, 2^125648437 is an apocalyptic number.

It is an amenable number.

125648437 is a deficient number, since it is larger than the sum of its proper divisors (2857163).

125648437 is an equidigital number, since it uses as much as digits as its factorization.

125648437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

The product of its digits is 161280, while the sum is 40.

The square root of 125648437 is about 11209.3013609234. The cubic root of 125648437 is about 500.8630919540.

It can be divided in two parts, 1256484 and 37, that added together give a palindrome (1256521).

The spelling of 125648437 in words is "one hundred twenty-five million, six hundred forty-eight thousand, four hundred thirty-seven".