1133153121 has 32 divisors (see below), whose sum is σ = 1622218752. Its totient is φ = 701824640.

The previous prime is 1133153117. The next prime is 1133153129. The reversal of 1133153121 is 1213513311.

It is a cyclic number.

It is not a de Polignac number, because 1133153121 - 2² = 1133153117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133153129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 743266 + ... + 744788.

It is an arithmetic number, because the mean of its divisors is an integer number (50694336).

Almost surely, 2^1133153121 is an apocalyptic number.

It is an amenable number.

1133153121 is a deficient number, since it is larger than the sum of its proper divisors (489065631).

1133153121 is a wasteful number, since it uses less digits than its factorization.

1133153121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its digits is 270, while the sum is 21.

The square root of 1133153121 is about 33662.3398028123. The cubic root of 1133153121 is about 1042.5483367566.

Adding to 1133153121 its reverse (1213513311), we get a palindrome (2346666432).

The spelling of 1133153121 in words is "one billion, one hundred thirty-three million, one hundred fifty-three thousand, one hundred twenty-one".