122738726 has 8 divisors (see below), whose sum is σ = 200845224. Its totient is φ = 55790320.

The previous prime is 122738723. The next prime is 122738729. The reversal of 122738726 is 627837221.

It is an interprime number because it is at equal distance from previous prime (122738723) and next prime (122738729).

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

It is a self number, because there is not a number n which added to its sum of digits gives 122738726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122738723) 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, 2789495 + ... + 2789538.

It is an arithmetic number, because the mean of its divisors is an integer number (25105653).

Almost surely, 2^122738726 is an apocalyptic number.

122738726 is a deficient number, since it is larger than the sum of its proper divisors (78106498).

122738726 is a wasteful number, since it uses less digits than its factorization.

122738726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579046.

The product of its digits is 56448, while the sum is 38.

The square root of 122738726 is about 11078.7511028996. The cubic root of 122738726 is about 496.9666022115.

The spelling of 122738726 in words is "one hundred twenty-two million, seven hundred thirty-eight thousand, seven hundred twenty-six".