1133211123 has 24 divisors (see below), whose sum is σ = 1786913856. Its totient is φ = 686314800.

The previous prime is 1133211119. The next prime is 1133211181. The reversal of 1133211123 is 3211123311.

It is not a de Polignac number, because 1133211123 - 2² = 1133211119 is a prime.

It is a super-2 number, since 2×1133211123² = 2568334898581842258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1133211096 and 1133211105.

It is not an unprimeable number, because it can be changed into a prime (1133211113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181768 + ... + 187898.

It is an arithmetic number, because the mean of its divisors is an integer number (74454744).

Almost surely, 2^1133211123 is an apocalyptic number.

1133211123 is a deficient number, since it is larger than the sum of its proper divisors (653702733).

1133211123 is a wasteful number, since it uses less digits than its factorization.

1133211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015 (or 8012 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1133211123 is about 33663.2013183535. The cubic root of 1133211123 is about 1042.5661245430.

Adding to 1133211123 its reverse (3211123311), we get a palindrome (4344334434).

The spelling of 1133211123 in words is "one billion, one hundred thirty-three million, two hundred eleven thousand, one hundred twenty-three".