1121304202 has 4 divisors (see below), whose sum is σ = 1681956306. Its totient is φ = 560652100.

The previous prime is 1121304179. The next prime is 1121304229. The reversal of 1121304202 is 2024031211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2024031211 = 23 ⋅88001357.

It can be written as a sum of positive squares in only one way, i.e., 676052001 + 445252201 = 26001^2 + 21101^2 .

It is a super-2 number, since 2×1121304202² = 2514646226845713608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280326049 + ... + 280326052.

Almost surely, 2^1121304202 is an apocalyptic number.

1121304202 is a deficient number, since it is larger than the sum of its proper divisors (560652104).

1121304202 is an equidigital number, since it uses as much as digits as its factorization.

1121304202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560652103.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1121304202 is about 33485.8806364712. The cubic root of 1121304202 is about 1038.9017628869.

Adding to 1121304202 its reverse (2024031211), we get a palindrome (3145335413).

The spelling of 1121304202 in words is "one billion, one hundred twenty-one million, three hundred four thousand, two hundred two".