1132201121 has 4 divisors (see below), whose sum is σ = 1133914644. Its totient is φ = 1130487600.

The previous prime is 1132201117. The next prime is 1132201123. The reversal of 1132201121 is 1211022311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1032979600 + 99221521 = 32140^2 + 9961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132201121 - 2² = 1132201117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132201096 and 1132201105.

It is not an unprimeable number, because it can be changed into a prime (1132201123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855770 + ... + 857091.

It is an arithmetic number, because the mean of its divisors is an integer number (283478661).

Almost surely, 2^1132201121 is an apocalyptic number.

It is an amenable number.

1132201121 is a deficient number, since it is larger than the sum of its proper divisors (1713523).

1132201121 is an equidigital number, since it uses as much as digits as its factorization.

1132201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713522.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1132201121 is about 33648.1964004016. The cubic root of 1132201121 is about 1042.2562949976.

Adding to 1132201121 its reverse (1211022311), we get a palindrome (2343223432).

The spelling of 1132201121 in words is "one billion, one hundred thirty-two million, two hundred one thousand, one hundred twenty-one".