1121323012 has 6 divisors (see below), whose sum is σ = 1962315278. Its totient is φ = 560661504.

The previous prime is 1121323001. The next prime is 1121323037. The reversal of 1121323012 is 2103231211.

It can be written as a sum of positive squares in only one way, i.e., 1121312196 + 10816 = 33486^2 + 104^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140165373 + ... + 140165380.

Almost surely, 2^1121323012 is an apocalyptic number.

It is an amenable number.

1121323012 is a deficient number, since it is larger than the sum of its proper divisors (840992266).

1121323012 is a wasteful number, since it uses less digits than its factorization.

1121323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280330757 (or 280330755 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121323012 is about 33486.1614999390. The cubic root of 1121323012 is about 1038.9075720844.

Adding to 1121323012 its reverse (2103231211), we get a palindrome (3224554223).

It can be divided in two parts, 11213 and 23012, that added together give a square (34225 = 185²).

The spelling of 1121323012 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, twelve".