1121200192 has 112 divisors (see below), whose sum is σ = 2611526400. Its totient is φ = 467712000.

The previous prime is 1121200163. The next prime is 1121200207. The reversal of 1121200192 is 2910021211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3212434 + ... + 3212782.

It is an arithmetic number, because the mean of its divisors is an integer number (23317200).

Almost surely, 2^1121200192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121200192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305763200).

1121200192 is an abundant number, since it is smaller than the sum of its proper divisors (1490326208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121200192 is a wasteful number, since it uses less digits than its factorization.

1121200192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1121200192 is about 33484.3275578292. The cubic root of 1121200192 is about 1038.8696397237.

The spelling of 1121200192 in words is "one billion, one hundred twenty-one million, two hundred thousand, one hundred ninety-two".