122984749 has 16 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 109922560.

The previous prime is 122984717. The next prime is 122984753. The reversal of 122984749 is 947489221.

It is a cyclic number.

It is not a de Polignac number, because 122984749 - 2⁵ = 122984717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122984699 and 122984708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122984149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57204 + ... + 59314.

It is an arithmetic number, because the mean of its divisors is an integer number (8553600).

Almost surely, 2^122984749 is an apocalyptic number.

It is an amenable number.

122984749 is a deficient number, since it is larger than the sum of its proper divisors (13872851).

122984749 is a wasteful number, since it uses less digits than its factorization.

122984749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its digits is 290304, while the sum is 46.

The square root of 122984749 is about 11089.8489169150. The cubic root of 122984749 is about 497.2984279737.

The spelling of 122984749 in words is "one hundred twenty-two million, nine hundred eighty-four thousand, seven hundred forty-nine".