1123200992 has 24 divisors (see below), whose sum is σ = 2232777456. Its totient is φ = 556146432.

The previous prime is 1123200983. The next prime is 1123200997. The reversal of 1123200992 is 2990023211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123200997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167093 + ... + 173684.

It is an arithmetic number, because the mean of its divisors is an integer number (93032394).

Almost surely, 2^1123200992 is an apocalyptic number.

It is an amenable number.

1123200992 is a deficient number, since it is larger than the sum of its proper divisors (1109576464).

1123200992 is a wasteful number, since it uses less digits than its factorization.

1123200992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340890 (or 340882 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1123200992 is about 33514.1909047496. The cubic root of 1123200992 is about 1039.4872324308.

The spelling of 1123200992 in words is "one billion, one hundred twenty-three million, two hundred thousand, nine hundred ninety-two".