1133232121 has 8 divisors (see below), whose sum is σ = 1371306240. Its totient is φ = 914203968.

The previous prime is 1133232097. The next prime is 1133232151. The reversal of 1133232121 is 1212323311.

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

It is not a de Polignac number, because 1133232121 - 2⁹ = 1133231609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133232151) 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, 4761361 + ... + 4761598.

It is an arithmetic number, because the mean of its divisors is an integer number (171413280).

Almost surely, 2^1133232121 is an apocalyptic number.

It is an amenable number.

1133232121 is a deficient number, since it is larger than the sum of its proper divisors (238074119).

1133232121 is an equidigital number, since it uses as much as digits as its factorization.

1133232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522983.

The product of its digits is 216, while the sum is 19.

The square root of 1133232121 is about 33663.5132004965. The cubic root of 1133232121 is about 1042.5725639633.

Adding to 1133232121 its reverse (1212323311), we get a palindrome (2345555432).

The spelling of 1133232121 in words is "one billion, one hundred thirty-three million, two hundred thirty-two thousand, one hundred twenty-one".