1200104406 has 12 divisors (see below), whose sum is σ = 2600226252. Its totient is φ = 400034796.

The previous prime is 1200104371. The next prime is 1200104413. The reversal of 1200104406 is 6044010021.

It is a super-2 number, since 2×1200104406² = 2880501170601225672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 66672467 = 1200104406 / (1 + 2 + 0 + 0 + 1 + 0 + 4 + 4 + 0 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33336216 + ... + 33336251.

It is an arithmetic number, because the mean of its divisors is an integer number (216685521).

Almost surely, 2^1200104406 is an apocalyptic number.

1200104406 is an abundant number, since it is smaller than the sum of its proper divisors (1400121846).

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

1200104406 is a wasteful number, since it uses less digits than its factorization.

1200104406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66672475 (or 66672472 counting only the distinct ones).

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

The square root of 1200104406 is about 34642.5230894056. The cubic root of 1200104406 is about 1062.6893871585.

Adding to 1200104406 its reverse (6044010021), we get a palindrome (7244114427).

The spelling of 1200104406 in words is "one billion, two hundred million, one hundred four thousand, four hundred six".