1121165333 has 2 divisors, whose sum is σ = 1121165334. Its totient is φ = 1121165332.

The previous prime is 1121165329. The next prime is 1121165341. The reversal of 1121165333 is 3335611211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 939912964 + 181252369 = 30658^2 + 13463^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121165333 - 2² = 1121165329 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121165303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560582666 + 560582667.

It is an arithmetic number, because the mean of its divisors is an integer number (560582667).

Almost surely, 2^1121165333 is an apocalyptic number.

It is an amenable number.

1121165333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121165333 is an equidigital number, since it uses as much as digits as its factorization.

1121165333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 1121165333 is about 33483.8070266808. The cubic root of 1121165333 is about 1038.8588731861.

Adding to 1121165333 its reverse (3335611211), we get a palindrome (4456776544).

The spelling of 1121165333 in words is "one billion, one hundred twenty-one million, one hundred sixty-five thousand, three hundred thirty-three".