1121840282 has 4 divisors (see below), whose sum is σ = 1682760426. Its totient is φ = 560920140.

The previous prime is 1121840261. The next prime is 1121840303. The reversal of 1121840282 is 2820481211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2820481211 = 701 ⋅4023511.

It is an interprime number because it is at equal distance from previous prime (1121840261) and next prime (1121840303).

It can be written as a sum of positive squares in only one way, i.e., 1087746361 + 34093921 = 32981^2 + 5839^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 280460069 + ... + 280460072.

Almost surely, 2^1121840282 is an apocalyptic number.

1121840282 is a deficient number, since it is larger than the sum of its proper divisors (560920144).

1121840282 is an equidigital number, since it uses as much as digits as its factorization.

1121840282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560920143.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1121840282 is about 33493.8842477250. The cubic root of 1121840282 is about 1039.0672980216.

The spelling of 1121840282 in words is "one billion, one hundred twenty-one million, eight hundred forty thousand, two hundred eighty-two".