1121392 has 20 divisors (see below), whose sum is σ = 2196040. Its totient is φ = 554688.

The previous prime is 1121389. The next prime is 1121423. The reversal of 1121392 is 2931211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (109802).

2^1121392 is an apocalyptic number.

It is an amenable number.

1121392 is a deficient number, since it is larger than the sum of its proper divisors (1074648).

1121392 is a wasteful number, since it uses less digits than its factorization.

1121392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 754 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 1121392 is about 1058.9579783920. The cubic root of 1121392 is about 103.8928877478.

The spelling of 1121392 in words is "one million, one hundred twenty-one thousand, three hundred ninety-two".