122607739 has 4 divisors (see below), whose sum is σ = 123502824. Its totient is φ = 121712656.

The previous prime is 122607731. The next prime is 122607767. The reversal of 122607739 is 937706221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122607739 - 2³ = 122607731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122607698 and 122607707.

It is not an unprimeable number, because it can be changed into a prime (122607731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447337 + ... + 447610.

It is an arithmetic number, because the mean of its divisors is an integer number (30875706).

Almost surely, 2^122607739 is an apocalyptic number.

122607739 is a deficient number, since it is larger than the sum of its proper divisors (895085).

122607739 is an equidigital number, since it uses as much as digits as its factorization.

122607739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895084.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 122607739 is about 11072.8378927897. The cubic root of 122607739 is about 496.7897513861.

The spelling of 122607739 in words is "one hundred twenty-two million, six hundred seven thousand, seven hundred thirty-nine".