1200104 has 16 divisors (see below), whose sum is σ = 2284800. Its totient is φ = 590832.

The previous prime is 1200083. The next prime is 1200109. The reversal of 1200104 is 4010021.

It is a super-2 number, since 2×1200104² = 2880499221632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 1200091 and 1200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (142800).

2^1200104 is an apocalyptic number.

It is an amenable number.

1200104 is a deficient number, since it is larger than the sum of its proper divisors (1084696).

1200104 is a wasteful number, since it uses less digits than its factorization.

1200104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1200104 is about 1095.4925832702. The cubic root of 1200104 is about 106.2689267321.

Adding to 1200104 its reverse (4010021), we get a palindrome (5210125).

The spelling of 1200104 in words is "one million, two hundred thousand, one hundred four".