1123121092 has 24 divisors (see below), whose sum is σ = 2014600896. Its totient is φ = 547648608.

The previous prime is 1123121063. The next prime is 1123121101. The reversal of 1123121092 is 2901213211.

It is a super-2 number, since 2×1123121092² = 2522801974590544928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19543 + ... + 51265.

It is an arithmetic number, because the mean of its divisors is an integer number (83941704).

Almost surely, 2^1123121092 is an apocalyptic number.

It is an amenable number.

1123121092 is a deficient number, since it is larger than the sum of its proper divisors (891479804).

1123121092 is a wasteful number, since it uses less digits than its factorization.

1123121092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31947 (or 31945 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1123121092 is about 33512.9988511921. The cubic root of 1123121092 is about 1039.4625835330.

It can be divided in two parts, 11231 and 21092, that added together give a palindrome (32323).

The spelling of 1123121092 in words is "one billion, one hundred twenty-three million, one hundred twenty-one thousand, ninety-two".