121322244 has 48 divisors (see below), whose sum is σ = 289529856. Its totient is φ = 39530400.

The previous prime is 121322237. The next prime is 121322273. The reversal of 121322244 is 442223121.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 121322244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111069 + ... + 112155.

It is an arithmetic number, because the mean of its divisors is an integer number (6031872).

Almost surely, 2^121322244 is an apocalyptic number.

It is an amenable number.

121322244 is an abundant number, since it is smaller than the sum of its proper divisors (168207612).

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

121322244 is a wasteful number, since it uses less digits than its factorization.

121322244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1294 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 121322244 is about 11014.6377153314. The cubic root of 121322244 is about 495.0474314308.

Adding to 121322244 its reverse (442223121), we get a palindrome (563545365).

The spelling of 121322244 in words is "one hundred twenty-one million, three hundred twenty-two thousand, two hundred forty-four".