122199744 has 56 divisors (see below), whose sum is σ = 324794880. Its totient is φ = 40547584.

The previous prime is 122199743. The next prime is 122199751. The reversal of 122199744 is 447991221.

It is not an unprimeable number, because it can be changed into a prime (122199743) 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, 44557 + ... + 47219.

Almost surely, 2^122199744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122199744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162397440).

122199744 is an abundant number, since it is smaller than the sum of its proper divisors (202595136).

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

122199744 is a wasteful number, since it uses less digits than its factorization.

122199744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917 (or 2907 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 122199744 is about 11054.3993052540. The cubic root of 122199744 is about 496.2380924205.

The spelling of 122199744 in words is "one hundred twenty-two million, one hundred ninety-nine thousand, seven hundred forty-four".