1200022104 has 16 divisors (see below), whose sum is σ = 3000055320. Its totient is φ = 400007360.

The previous prime is 1200022099. The next prime is 1200022177. The reversal of 1200022104 is 4012200021.

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 1200022104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25000437 + ... + 25000484.

Almost surely, 2^1200022104 is an apocalyptic number.

It is an amenable number.

1200022104 is an abundant number, since it is smaller than the sum of its proper divisors (1800033216).

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

1200022104 is a wasteful number, since it uses less digits than its factorization.

1200022104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50000930 (or 50000926 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1200022104 is about 34641.3351936671. The cubic root of 1200022104 is about 1062.6650938662.

Adding to 1200022104 its reverse (4012200021), we get a palindrome (5212222125).

The spelling of 1200022104 in words is "one billion, two hundred million, twenty-two thousand, one hundred four".