1121204 has 24 divisors (see below), whose sum is σ = 2341248. Its totient is φ = 459360.

The previous prime is 1121203. The next prime is 1121221. The reversal of 1121204 is 4021211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (97552).

2^1121204 is an apocalyptic number.

1121204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121204 is an abundant number, since it is smaller than the sum of its proper divisors (1220044).

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

1121204 is a wasteful number, since it uses less digits than its factorization.

1121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1121204 is about 1058.8692081650. The cubic root of 1121204 is about 103.8870815848.

Adding to 1121204 its reverse (4021211), we get a palindrome (5142415).

The spelling of 1121204 in words is "one million, one hundred twenty-one thousand, two hundred four".