125244638403 has 8 divisors (see below), whose sum is σ = 174253410048. Its totient is φ = 79866146184.

The previous prime is 125244638287. The next prime is 125244638413. The reversal of 125244638403 is 304836442521.

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

It is not a de Polignac number, because 125244638403 - 2⁸ = 125244638147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125244638413) 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, 907569775 + ... + 907569912.

It is an arithmetic number, because the mean of its divisors is an integer number (21781676256).

Almost surely, 2^125244638403 is an apocalyptic number.

125244638403 is a deficient number, since it is larger than the sum of its proper divisors (49008771645).

125244638403 is a wasteful number, since it uses less digits than its factorization.

125244638403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815139713.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 125244638403 in words is "one hundred twenty-five billion, two hundred forty-four million, six hundred thirty-eight thousand, four hundred three".