1121320122 has 16 divisors (see below), whose sum is σ = 2415151200. Its totient is φ = 345021552.

The previous prime is 1121320091. The next prime is 1121320129. The reversal of 1121320122 is 2210231211.

It is not an unprimeable number, because it can be changed into a prime (1121320129) 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, 7187872 + ... + 7188027.

It is an arithmetic number, because the mean of its divisors is an integer number (150946950).

Almost surely, 2^1121320122 is an apocalyptic number.

1121320122 is an abundant number, since it is smaller than the sum of its proper divisors (1293831078).

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

1121320122 is a wasteful number, since it uses less digits than its factorization.

1121320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14375917.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121320122 is about 33486.1183477572. The cubic root of 1121320122 is about 1038.9066795538.

Adding to 1121320122 its reverse (2210231211), we get a palindrome (3331551333).

The spelling of 1121320122 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, one hundred twenty-two".