1133121033 has 24 divisors (see below), whose sum is σ = 1805600160. Its totient is φ = 679018560.

The previous prime is 1133121029. The next prime is 1133121047. The reversal of 1133121033 is 3301213311.

It is a happy number.

It is not a de Polignac number, because 1133121033 - 2² = 1133121029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133120997 and 1133121015.

It is not an unprimeable number, because it can be changed into a prime (1133121023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 55491 + ... + 73112.

It is an arithmetic number, because the mean of its divisors is an integer number (75233340).

Almost surely, 2^1133121033 is an apocalyptic number.

It is an amenable number.

1133121033 is a deficient number, since it is larger than the sum of its proper divisors (672479127).

1133121033 is a wasteful number, since it uses less digits than its factorization.

1133121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128709 (or 128706 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1133121033 is about 33661.8631837277. The cubic root of 1133121033 is about 1042.5384958957.

Adding to 1133121033 its reverse (3301213311), we get a palindrome (4434334344).

The spelling of 1133121033 in words is "one billion, one hundred thirty-three million, one hundred twenty-one thousand, thirty-three".