1233131120 has 40 divisors (see below), whose sum is σ = 3087573216. Its totient is φ = 455309568.

The previous prime is 1233131071. The next prime is 1233131171. The reversal of 1233131120 is 211313321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1233131120² = 3041224718224908800, which contains 22 as substring.

It is a congruent 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, 591812 + ... + 593891.

Almost surely, 2^1233131120 is an apocalyptic number.

1233131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233131120 is an abundant number, since it is smaller than the sum of its proper divisors (1854442096).

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

1233131120 is a wasteful number, since it uses less digits than its factorization.

1233131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185729 (or 1185723 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1233131120 is about 35115.9667387928. The cubic root of 1233131120 is about 1072.3496622407.

Adding to 1233131120 its reverse (211313321), we get a palindrome (1444444441).

The spelling of 1233131120 in words is "one billion, two hundred thirty-three million, one hundred thirty-one thousand, one hundred twenty".