1101200004 has 36 divisors (see below), whose sum is σ = 2800272384. Its totient is φ = 364866672.

The previous prime is 1101199997. The next prime is 1101200033. The reversal of 1101200004 is 4000021011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85572 + ... + 97595.

It is an arithmetic number, because the mean of its divisors is an integer number (77785344).

Almost surely, 2^1101200004 is an apocalyptic number.

It is an amenable number.

1101200004 is an abundant number, since it is smaller than the sum of its proper divisors (1699072380).

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

1101200004 is a wasteful number, since it uses less digits than its factorization.

1101200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183344 (or 183339 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1101200004 is about 33184.3337133654. Note that the first 3 decimals coincide. The cubic root of 1101200004 is about 1032.6553548770.

Adding to 1101200004 its reverse (4000021011), we get a palindrome (5101221015).

The spelling of 1101200004 in words is "one billion, one hundred one million, two hundred thousand, four".