1103012004 has 48 divisors (see below), whose sum is σ = 2620943360. Its totient is φ = 360944640.

The previous prime is 1103011999. The next prime is 1103012017. The reversal of 1103012004 is 4002103011.

It is a happy number.

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

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 15 ways as a sum of consecutive naturals, for example, 491517 + ... + 493755.

Almost surely, 2^1103012004 is an apocalyptic number.

It is an amenable number.

1103012004 is an abundant number, since it is smaller than the sum of its proper divisors (1517931356).

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

1103012004 is a wasteful number, since it uses less digits than its factorization.

1103012004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1103012004 is about 33211.6245311788. The cubic root of 1103012004 is about 1033.2214482629.

Adding to 1103012004 its reverse (4002103011), we get a palindrome (5105115015).

The spelling of 1103012004 in words is "one billion, one hundred three million, twelve thousand, four".