125027638 has 8 divisors (see below), whose sum is σ = 197412120. Its totient is φ = 59223600.

The previous prime is 125027633. The next prime is 125027641. The reversal of 125027638 is 836720521.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125027633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645063 + ... + 1645138.

It is an arithmetic number, because the mean of its divisors is an integer number (24676515).

Almost surely, 2^125027638 is an apocalyptic number.

125027638 is a deficient number, since it is larger than the sum of its proper divisors (72384482).

125027638 is a wasteful number, since it uses less digits than its factorization.

125027638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290222.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 125027638 is about 11181.5758281201. The cubic root of 125027638 is about 500.0368479511.

The spelling of 125027638 in words is "one hundred twenty-five million, twenty-seven thousand, six hundred thirty-eight".