1333133121 has 8 divisors (see below), whose sum is σ = 1778263200. Its totient is φ = 888379232.

The previous prime is 1333133117. The next prime is 1333133129. The reversal of 1333133121 is 1213313331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1333133121 - 2² = 1333133117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1333133129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85671 + ... + 100028.

It is an arithmetic number, because the mean of its divisors is an integer number (222282900).

Almost surely, 2^1333133121 is an apocalyptic number.

It is an amenable number.

1333133121 is a deficient number, since it is larger than the sum of its proper divisors (445130079).

1333133121 is a wasteful number, since it uses less digits than its factorization.

1333133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188095.

The product of its digits is 486, while the sum is 21.

The square root of 1333133121 is about 36512.0955438058. The cubic root of 1333133121 is about 1100.5873229939.

Adding to 1333133121 its reverse (1213313331), we get a palindrome (2546446452).

The spelling of 1333133121 in words is "one billion, three hundred thirty-three million, one hundred thirty-three thousand, one hundred twenty-one".