122289744 has 40 divisors (see below), whose sum is σ = 316368640. Its totient is φ = 40704768.

The previous prime is 122289733. The next prime is 122289749. The reversal of 122289744 is 447982221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122289749) 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, 43617 + ... + 46335.

It is an arithmetic number, because the mean of its divisors is an integer number (7909216).

Almost surely, 2^122289744 is an apocalyptic number.

It is an amenable number.

122289744 is an abundant number, since it is smaller than the sum of its proper divisors (194078896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122289744 is a wasteful number, since it uses less digits than its factorization.

122289744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3661 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 122289744 is about 11058.4693335018. The cubic root of 122289744 is about 496.3598888252.

The spelling of 122289744 in words is "one hundred twenty-two million, two hundred eighty-nine thousand, seven hundred forty-four".