1133980920 has 96 divisors (see below), whose sum is σ = 3902249520. Its totient is φ = 284605440.

The previous prime is 1133980909. The next prime is 1133980927. The reversal of 1133980920 is 290893311.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133980927) 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, 86526 + ... + 98765.

Almost surely, 2^1133980920 is an apocalyptic number.

1133980920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133980920 is an abundant number, since it is smaller than the sum of its proper divisors (2768268600).

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

1133980920 is a wasteful number, since it uses less digits than its factorization.

1133980920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185325 (or 185318 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1133980920 is about 33674.6331828574. The cubic root of 1133980920 is about 1042.8021448804.

The spelling of 1133980920 in words is "one billion, one hundred thirty-three million, nine hundred eighty thousand, nine hundred twenty".