1121782922 has 8 divisors (see below), whose sum is σ = 1812110916. Its totient is φ = 517745952.

The previous prime is 1121782903. The next prime is 1121782951. The reversal of 1121782922 is 2292871211.

It can be written as a sum of positive squares in 2 ways, for example, as 1116161281 + 5621641 = 33409^2 + 2371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21572723 + ... + 21572774.

Almost surely, 2^1121782922 is an apocalyptic number.

1121782922 is a deficient number, since it is larger than the sum of its proper divisors (690327994).

1121782922 is a wasteful number, since it uses less digits than its factorization.

1121782922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43145512.

The product of its digits is 8064, while the sum is 35.

The square root of 1121782922 is about 33493.0279610548. The cubic root of 1121782922 is about 1039.0495884549.

The spelling of 1121782922 in words is "one billion, one hundred twenty-one million, seven hundred eighty-two thousand, nine hundred twenty-two".