125244638 has 8 divisors (see below), whose sum is σ = 192236088. Its totient is φ = 61165944.

The previous prime is 125244617. The next prime is 125244643. The reversal of 125244638 is 836442521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125244598 and 125244607.

It is a congruent number.

It is an unprimeable number.

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, 728081 + ... + 728252.

It is an arithmetic number, because the mean of its divisors is an integer number (24029511).

Almost surely, 2^125244638 is an apocalyptic number.

125244638 is a deficient number, since it is larger than the sum of its proper divisors (66991450).

125244638 is a wasteful number, since it uses less digits than its factorization.

125244638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456378.

The product of its digits is 46080, while the sum is 35.

The square root of 125244638 is about 11191.2750837427. The cubic root of 125244638 is about 500.3259714391.

The spelling of 125244638 in words is "one hundred twenty-five million, two hundred forty-four thousand, six hundred thirty-eight".