1121304204 has 36 divisors (see below), whose sum is σ = 2882454120. Its totient is φ = 367432320.

The previous prime is 1121304179. The next prime is 1121304229. The reversal of 1121304204 is 4024031211.

1121304204 is a `hidden beast` number, since 112 + 130 + 420 + 4 = 666.

1121304204 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1121304179) and next prime (1121304229).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261837 + ... + 266084.

It is an arithmetic number, because the mean of its divisors is an integer number (80068170).

Almost surely, 2^1121304204 is an apocalyptic number.

It is an amenable number.

1121304204 is an abundant number, since it is smaller than the sum of its proper divisors (1761149916).

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

1121304204 is a wasteful number, since it uses less digits than its factorization.

1121304204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527990 (or 527985 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1121304204 is about 33485.8806663346. The cubic root of 1121304204 is about 1038.9017635046.

Adding to 1121304204 its reverse (4024031211), we get a palindrome (5145335415).

The spelling of 1121304204 in words is "one billion, one hundred twenty-one million, three hundred four thousand, two hundred four".