1133113272 has 16 divisors (see below), whose sum is σ = 2832783240. Its totient is φ = 377704416.

The previous prime is 1133113249. The next prime is 1133113277. The reversal of 1133113272 is 2723113311.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 47213053 = 1133113272 / (1 + 1 + 3 + 3 + 1 + 1 + 3 + 2 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133113277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23606503 + ... + 23606550.

Almost surely, 2^1133113272 is an apocalyptic number.

1133113272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133113272 is an abundant number, since it is smaller than the sum of its proper divisors (1699669968).

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

1133113272 is a wasteful number, since it uses less digits than its factorization.

1133113272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47213062 (or 47213058 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 1133113272 is about 33661.7479047063. The cubic root of 1133113272 is about 1042.5361156970.

Adding to 1133113272 its reverse (2723113311), we get a palindrome (3856226583).

The spelling of 1133113272 in words is "one billion, one hundred thirty-three million, one hundred thirteen thousand, two hundred seventy-two".