122949739 has 8 divisors (see below), whose sum is σ = 135965232. Its totient is φ = 110240640.

The previous prime is 122949733. The next prime is 122949793. The reversal of 122949739 is 937949221.

It is a happy number.

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 122949739 - 2⁵ = 122949707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122949733) 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, 75754 + ... + 77359.

It is an arithmetic number, because the mean of its divisors is an integer number (16995654).

Almost surely, 2^122949739 is an apocalyptic number.

122949739 is a deficient number, since it is larger than the sum of its proper divisors (13015493).

122949739 is a wasteful number, since it uses less digits than its factorization.

122949739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153197.

The product of its digits is 244944, while the sum is 46.

The square root of 122949739 is about 11088.2703340061. The cubic root of 122949739 is about 497.2512349398.

The spelling of 122949739 in words is "one hundred twenty-two million, nine hundred forty-nine thousand, seven hundred thirty-nine".