122726057 has 8 divisors (see below), whose sum is σ = 127448640. Its totient is φ = 118036240.

The previous prime is 122726053. The next prime is 122726081. The reversal of 122726057 is 750627221.

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 122726057 - 2² = 122726053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122726053) 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, 419 + ... + 15672.

It is an arithmetic number, because the mean of its divisors is an integer number (15931080).

Almost surely, 2^122726057 is an apocalyptic number.

It is an amenable number.

122726057 is a deficient number, since it is larger than the sum of its proper divisors (4722583).

122726057 is a wasteful number, since it uses less digits than its factorization.

122726057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16383.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 122726057 is about 11078.1793179204. The cubic root of 122726057 is about 496.9495027821.

The spelling of 122726057 in words is "one hundred twenty-two million, seven hundred twenty-six thousand, fifty-seven".