1011120404 has 24 divisors (see below), whose sum is σ = 2069272128. Its totient is φ = 423259200.

The previous prime is 1011120391. The next prime is 1011120421. The reversal of 1011120404 is 4040211101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 418697 + ... + 421104.

It is an arithmetic number, because the mean of its divisors is an integer number (86219672).

Almost surely, 2^1011120404 is an apocalyptic number.

1011120404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1011120404 is an abundant number, since it is smaller than the sum of its proper divisors (1058151724).

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

1011120404 is a wasteful number, since it uses less digits than its factorization.

1011120404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839855 (or 839853 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1011120404 is about 31798.1195041468. The cubic root of 1011120404 is about 1003.6931452210.

Adding to 1011120404 its reverse (4040211101), we get a palindrome (5051331505).

The spelling of 1011120404 in words is "one billion, eleven million, one hundred twenty thousand, four hundred four".