122016739 has 4 divisors (see below), whose sum is σ = 131402656. Its totient is φ = 112630824.

The previous prime is 122016737. The next prime is 122016743. The reversal of 122016739 is 937610221.

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 122016739 - 2¹ = 122016737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122016739.

It is not an unprimeable number, because it can be changed into a prime (122016731) 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, 4692939 + ... + 4692964.

It is an arithmetic number, because the mean of its divisors is an integer number (32850664).

Almost surely, 2^122016739 is an apocalyptic number.

122016739 is a deficient number, since it is larger than the sum of its proper divisors (9385917).

122016739 is an equidigital number, since it uses as much as digits as its factorization.

122016739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385916.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 122016739 is about 11046.1187301242. The cubic root of 122016739 is about 495.9902484100.

The spelling of 122016739 in words is "one hundred twenty-two million, sixteen thousand, seven hundred thirty-nine".