1121040202 has 4 divisors (see below), whose sum is σ = 1681560306. Its totient is φ = 560520100.

The previous prime is 1121040191. The next prime is 1121040289. The reversal of 1121040202 is 2020401211.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1100978761 + 20061441 = 33181^2 + 4479^2 .

It is a super-2 number, since 2×1121040202² = 2513462269000401608, 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, 280260049 + ... + 280260052.

Almost surely, 2^1121040202 is an apocalyptic number.

1121040202 is a deficient number, since it is larger than the sum of its proper divisors (560520104).

1121040202 is an equidigital number, since it uses as much as digits as its factorization.

1121040202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560520103.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1121040202 is about 33481.9384444808. The cubic root of 1121040202 is about 1038.8202234342.

Adding to 1121040202 its reverse (2020401211), we get a palindrome (3141441413).

The spelling of 1121040202 in words is "one billion, one hundred twenty-one million, forty thousand, two hundred two".