1133878272 has 88 divisors (see below), whose sum is σ = 3059298816. Its totient is φ = 373321728.

The previous prime is 1133878261. The next prime is 1133878303. The reversal of 1133878272 is 2728783311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252753 + ... + 257199.

Almost surely, 2^1133878272 is an apocalyptic number.

1133878272 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 1133878272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529649408).

1133878272 is an abundant number, since it is smaller than the sum of its proper divisors (1925420544).

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

1133878272 is an equidigital number, since it uses as much as digits as its factorization.

1133878272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553 (or 4535 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 1133878272 is about 33673.1090337676. The cubic root of 1133878272 is about 1042.7706790998.

The spelling of 1133878272 in words is "one billion, one hundred thirty-three million, eight hundred seventy-eight thousand, two hundred seventy-two".