122345552 has 60 divisors (see below), whose sum is σ = 278387316. Its totient is φ = 51932160.

The previous prime is 122345537. The next prime is 122345581. The reversal of 122345552 is 255543221.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 100480576 = 4676^2 + 10024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87902 + ... + 89282.

Almost surely, 2^122345552 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 122345552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139193658).

122345552 is an abundant number, since it is smaller than the sum of its proper divisors (156041764).

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

122345552 is a wasteful number, since it uses less digits than its factorization.

122345552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1503 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 122345552 is about 11060.9923605434. The cubic root of 122345552 is about 496.4353834088.

Adding to 122345552 its reverse (255543221), we get a palindrome (377888773).

The spelling of 122345552 in words is "one hundred twenty-two million, three hundred forty-five thousand, five hundred fifty-two".