122910739 has 8 divisors (see below), whose sum is σ = 141090048. Its totient is φ = 104886600.

The previous prime is 122910713. The next prime is 122910773. The reversal of 122910739 is 937019221.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-122910739 is a prime.

It is a super-2 number, since 2×122910739² = 30214099523052242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122910709) 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, 37087 + ... + 40264.

It is an arithmetic number, because the mean of its divisors is an integer number (17636256).

Almost surely, 2^122910739 is an apocalyptic number.

122910739 is a deficient number, since it is larger than the sum of its proper divisors (18179309).

122910739 is an equidigital number, since it uses as much as digits as its factorization.

122910739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77585.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 122910739 is about 11086.5115793923. The cubic root of 122910739 is about 497.1986528870.

The spelling of 122910739 in words is "one hundred twenty-two million, nine hundred ten thousand, seven hundred thirty-nine".