122509224 has 96 divisors (see below), whose sum is σ = 358300800. Its totient is φ = 37699200.

The previous prime is 122509223. The next prime is 122509267. The reversal of 122509224 is 422905221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122509223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46749 + ... + 49299.

It is an arithmetic number, because the mean of its divisors is an integer number (3732300).

Almost surely, 2^122509224 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 122509224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179150400).

122509224 is an abundant number, since it is smaller than the sum of its proper divisors (235791576).

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

122509224 is a wasteful number, since it uses less digits than its factorization.

122509224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 122509224 is about 11068.3885005903. The cubic root of 122509224 is about 496.6566593082.

The spelling of 122509224 in words is "one hundred twenty-two million, five hundred nine thousand, two hundred twenty-four".