1123811274 has 16 divisors (see below), whose sum is σ = 2264030208. Its totient is φ = 371869152.

The previous prime is 1123811237. The next prime is 1123811281. The reversal of 1123811274 is 4721183211.

It is a Curzon number.

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, 682762 + ... + 684405.

It is an arithmetic number, because the mean of its divisors is an integer number (141501888).

Almost surely, 2^1123811274 is an apocalyptic number.

1123811274 is an abundant number, since it is smaller than the sum of its proper divisors (1140218934).

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

1123811274 is a wasteful number, since it uses less digits than its factorization.

1123811274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367309.

The product of its digits is 2688, while the sum is 30.

The square root of 1123811274 is about 33523.2944980054. The cubic root of 1123811274 is about 1039.6754639498.

Adding to 1123811274 its reverse (4721183211), we get a palindrome (5844994485).

The spelling of 1123811274 in words is "one billion, one hundred twenty-three million, eight hundred eleven thousand, two hundred seventy-four".