1133998272 has 112 divisors (see below), whose sum is σ = 3636873600. Its totient is φ = 343630080.

The previous prime is 1133998253. The next prime is 1133998289. The reversal of 1133998272 is 2728993311.

1133998272 is a `hidden beast` number, since 113 + 399 + 82 + 72 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10822 + ... + 48837.

Almost surely, 2^1133998272 is an apocalyptic number.

1133998272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133998272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818436800).

1133998272 is an abundant number, since it is smaller than the sum of its proper divisors (2502875328).

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

1133998272 is a wasteful number, since it uses less digits than its factorization.

1133998272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59691 (or 59675 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1133998272 is about 33674.8908238765. The cubic root of 1133998272 is about 1042.8074637854.

The spelling of 1133998272 in words is "one billion, one hundred thirty-three million, nine hundred ninety-eight thousand, two hundred seventy-two".