1133362121 has 4 divisors (see below), whose sum is σ = 1133560212. Its totient is φ = 1133164032.

The previous prime is 1133362117. The next prime is 1133362147. The reversal of 1133362121 is 1212633311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1212633311 = 16603 ⋅73037.

It can be written as a sum of positive squares in 2 ways, for example, as 468289600 + 665072521 = 21640^2 + 25789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133362121 - 2² = 1133362117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133364121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90200 + ... + 101993.

It is an arithmetic number, because the mean of its divisors is an integer number (283390053).

Almost surely, 2^1133362121 is an apocalyptic number.

It is an amenable number.

1133362121 is a deficient number, since it is larger than the sum of its proper divisors (198091).

1133362121 is an equidigital number, since it uses as much as digits as its factorization.

1133362121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198090.

The product of its digits is 648, while the sum is 23.

The square root of 1133362121 is about 33665.4440190531. Note that the first 3 decimals coincide. The cubic root of 1133362121 is about 1042.6124290679.

Adding to 1133362121 its reverse (1212633311), we get a palindrome (2345995432).

The spelling of 1133362121 in words is "one billion, one hundred thirty-three million, three hundred sixty-two thousand, one hundred twenty-one".