1121321692 has 12 divisors (see below), whose sum is σ = 1963081120. Its totient is φ = 560441376.

The previous prime is 1121321687. The next prime is 1121321699. The reversal of 1121321692 is 2961231211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121321692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121321699) by changing a digit.

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, 43092 + ... + 64027.

Almost surely, 2^1121321692 is an apocalyptic number.

It is an amenable number.

1121321692 is a deficient number, since it is larger than the sum of its proper divisors (841759428).

1121321692 is a wasteful number, since it uses less digits than its factorization.

1121321692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109740 (or 109738 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 1121321692 is about 33486.1417902989. The cubic root of 1121321692 is about 1038.9071644236.

The spelling of 1121321692 in words is "one billion, one hundred twenty-one million, three hundred twenty-one thousand, six hundred ninety-two".