125398838 has 8 divisors (see below), whose sum is σ = 188158032. Its totient is φ = 62679496.

The previous prime is 125398831. The next prime is 125398843. The reversal of 125398838 is 838893521.

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 = 125398792 and 125398801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125398831) 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, 170 + ... + 15837.

It is an arithmetic number, because the mean of its divisors is an integer number (23519754).

Almost surely, 2^125398838 is an apocalyptic number.

125398838 is a deficient number, since it is larger than the sum of its proper divisors (62759194).

125398838 is a wasteful number, since it uses less digits than its factorization.

125398838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19926.

The product of its digits is 414720, while the sum is 47.

The square root of 125398838 is about 11198.1622599425. The cubic root of 125398838 is about 500.5312194120.

The spelling of 125398838 in words is "one hundred twenty-five million, three hundred ninety-eight thousand, eight hundred thirty-eight".