122759939 has 8 divisors (see below), whose sum is σ = 125016192. Its totient is φ = 120519360.

The previous prime is 122759921. The next prime is 122759971. The reversal of 122759939 is 939957221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122759939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122759893 and 122759902.

It is not an unprimeable number, because it can be changed into a prime (122759909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12509 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (15627024).

Almost surely, 2^122759939 is an apocalyptic number.

122759939 is a deficient number, since it is larger than the sum of its proper divisors (2256253).

122759939 is an equidigital number, since it uses as much as digits as its factorization.

122759939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837.

The product of its digits is 306180, while the sum is 47.

The square root of 122759939 is about 11079.7084347920. The cubic root of 122759939 is about 496.9952308972.

The spelling of 122759939 in words is "one hundred twenty-two million, seven hundred fifty-nine thousand, nine hundred thirty-nine".