1100604 has 24 divisors (see below), whose sum is σ = 2631888. Its totient is φ = 357760.

The previous prime is 1100591. The next prime is 1100611. The reversal of 1100604 is 4060011.

It is a super-2 number, since 2×1100604² = 2422658329632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1100604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (109662).

2^1100604 is an apocalyptic number.

It is an amenable number.

1100604 is an abundant number, since it is smaller than the sum of its proper divisors (1531284).

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

1100604 is a wasteful number, since it uses less digits than its factorization.

1100604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1100604 is about 1049.0967543559. The cubic root of 1100604 is about 103.2469019428.

Adding to 1100604 its reverse (4060011), we get a palindrome (5160615).

The spelling of 1100604 in words is "one million, one hundred thousand, six hundred four".