1120100004 has 18 divisors (see below), whose sum is σ = 2831363990. Its totient is φ = 373366656.

The previous prime is 1120099997. The next prime is 1120100021. The reversal of 1120100004 is 4000010211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1065369600 + 54730404 = 32640^2 + 7398^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

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, 15556909 + ... + 15556980.

Almost surely, 2^1120100004 is an apocalyptic number.

It is an amenable number.

1120100004 is an abundant number, since it is smaller than the sum of its proper divisors (1711263986).

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

1120100004 is a wasteful number, since it uses less digits than its factorization.

1120100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31113899 (or 31113894 counting only the distinct ones).

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

The square root of 1120100004 is about 33467.8951235359. The cubic root of 1120100004 is about 1038.5297283896.

Adding to 1120100004 its reverse (4000010211), we get a palindrome (5120110215).

It can be divided in two parts, 1120 and 100004, that added together give a square (101124 = 318²).

The spelling of 1120100004 in words is "one billion, one hundred twenty million, one hundred thousand, four".