1004120112 has 20 divisors (see below), whose sum is σ = 2593977080. Its totient is φ = 334706688.

The previous prime is 1004120087. The next prime is 1004120119. The reversal of 1004120112 is 2110214001.

It is a happy number.

1004120112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1004120119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10459537 + ... + 10459632.

It is an arithmetic number, because the mean of its divisors is an integer number (129698854).

Almost surely, 2^1004120112 is an apocalyptic number.

1004120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004120112 is an abundant number, since it is smaller than the sum of its proper divisors (1589856968).

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

1004120112 is a wasteful number, since it uses less digits than its factorization.

1004120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20919180 (or 20919174 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1004120112 is about 31687.8543293799. The cubic root of 1004120112 is about 1001.3714888252.

Adding to 1004120112 its reverse (2110214001), we get a palindrome (3114334113).

The spelling of 1004120112 in words is "one billion, four million, one hundred twenty thousand, one hundred twelve".