126722644238 has 8 divisors (see below), whose sum is σ = 190097885232. Its totient is φ = 63356682496.

The previous prime is 126722644171. The next prime is 126722644259. The reversal of 126722644238 is 832446227621.

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 = 126722644192 and 126722644201.

It is a congruent number.

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, 2285570 + ... + 2340357.

It is an arithmetic number, because the mean of its divisors is an integer number (23762235654).

Almost surely, 2^126722644238 is an apocalyptic number.

126722644238 is a deficient number, since it is larger than the sum of its proper divisors (63375240994).

126722644238 is a wasteful number, since it uses less digits than its factorization.

126722644238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639626.

The product of its digits is 1548288, while the sum is 47.

The spelling of 126722644238 in words is "one hundred twenty-six billion, seven hundred twenty-two million, six hundred forty-four thousand, two hundred thirty-eight".