1103121404 has 48 divisors (see below), whose sum is σ = 2471884800. Its totient is φ = 418167360.

The previous prime is 1103121403. The next prime is 1103121421. The reversal of 1103121404 is 4041213011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103121403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37004 + ... + 59795.

It is an arithmetic number, because the mean of its divisors is an integer number (51497600).

Almost surely, 2^1103121404 is an apocalyptic number.

1103121404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1103121404 is an abundant number, since it is smaller than the sum of its proper divisors (1368763396).

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

1103121404 is a wasteful number, since it uses less digits than its factorization.

1103121404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96858 (or 96856 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1103121404 is about 33213.2715040238. The cubic root of 1103121404 is about 1033.2556064556.

Adding to 1103121404 its reverse (4041213011), we get a palindrome (5144334415).

The spelling of 1103121404 in words is "one billion, one hundred three million, one hundred twenty-one thousand, four hundred four".