122726739 has 8 divisors (see below), whose sum is σ = 164321280. Its totient is φ = 81475016.

The previous prime is 122726731. The next prime is 122726741. The reversal of 122726739 is 937627221.

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

It is a cyclic number.

It is not a de Polignac number, because 122726739 - 2³ = 122726731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122726697 and 122726706.

It is not an unprimeable number, because it can be changed into a prime (122726731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84867 + ... + 86300.

It is an arithmetic number, because the mean of its divisors is an integer number (20540160).

Almost surely, 2^122726739 is an apocalyptic number.

122726739 is a deficient number, since it is larger than the sum of its proper divisors (41594541).

122726739 is a wasteful number, since it uses less digits than its factorization.

122726739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171409.

The product of its digits is 63504, while the sum is 39.

The square root of 122726739 is about 11078.2100991090. The cubic root of 122726739 is about 496.9504233118.

It can be divided in two parts, 1227 and 26739, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 122726739 in words is "one hundred twenty-two million, seven hundred twenty-six thousand, seven hundred thirty-nine".