1121313234 has 64 divisors (see below), whose sum is σ = 2529999360. Its totient is φ = 329207040.

The previous prime is 1121313229. The next prime is 1121313247. The reversal of 1121313234 is 4323131211.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121313234.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157369 + ... + 164339.

It is an arithmetic number, because the mean of its divisors is an integer number (39531240).

Almost surely, 2^1121313234 is an apocalyptic number.

1121313234 is an abundant number, since it is smaller than the sum of its proper divisors (1408686126).

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

1121313234 is a wasteful number, since it uses less digits than its factorization.

1121313234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095.

The product of its digits is 432, while the sum is 21.

The square root of 1121313234 is about 33486.0154990109. The cubic root of 1121313234 is about 1038.9045522981.

Adding to 1121313234 its reverse (4323131211), we get a palindrome (5444444445).

The spelling of 1121313234 in words is "one billion, one hundred twenty-one million, three hundred thirteen thousand, two hundred thirty-four".