125722738 has 8 divisors (see below), whose sum is σ = 196783488. Its totient is φ = 60128244.

The previous prime is 125722721. The next prime is 125722747. The reversal of 125722738 is 837227521.

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 = 125722697 and 125722706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366506 + ... + 1366597.

It is an arithmetic number, because the mean of its divisors is an integer number (24597936).

Almost surely, 2^125722738 is an apocalyptic number.

125722738 is a deficient number, since it is larger than the sum of its proper divisors (71060750).

125722738 is a wasteful number, since it uses less digits than its factorization.

125722738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733128.

The product of its digits is 47040, while the sum is 37.

The square root of 125722738 is about 11212.6151276141. The cubic root of 125722738 is about 500.9617993643.

The spelling of 125722738 in words is "one hundred twenty-five million, seven hundred twenty-two thousand, seven hundred thirty-eight".