1122001994 has 4 divisors (see below), whose sum is σ = 1683002994. Its totient is φ = 561000996.

The previous prime is 1122001987. The next prime is 1122002009. The reversal of 1122001994 is 4991002211.

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., 902221369 + 219780625 = 30037^2 + 14825^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280500497 + ... + 280500500.

Almost surely, 2^1122001994 is an apocalyptic number.

1122001994 is a deficient number, since it is larger than the sum of its proper divisors (561001000).

1122001994 is an equidigital number, since it uses as much as digits as its factorization.

1122001994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561000999.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1122001994 is about 33496.2982133847. The cubic root of 1122001994 is about 1039.1172224123.

The spelling of 1122001994 in words is "one billion, one hundred twenty-two million, one thousand, nine hundred ninety-four".