1103142404 has 48 divisors (see below), whose sum is σ = 2411515008. Its totient is φ = 429884928.

The previous prime is 1103142401. The next prime is 1103142437. The reversal of 1103142404 is 4042413011.

It is not an unprimeable number, because it can be changed into a prime (1103142401) 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, 1772 + ... + 47004.

It is an arithmetic number, because the mean of its divisors is an integer number (50239896).

Almost surely, 2^1103142404 is an apocalyptic number.

1103142404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103142404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205757504).

1103142404 is an abundant number, since it is smaller than the sum of its proper divisors (1308372604).

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

1103142404 is a wasteful number, since it uses less digits than its factorization.

1103142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45324 (or 45322 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1103142404 is about 33213.5876412049. The cubic root of 1103142404 is about 1033.2621630715.

Adding to 1103142404 its reverse (4042413011), we get a palindrome (5145555415).

It can be divided in two parts, 11031 and 42404, that added together give a palindrome (53435).

The spelling of 1103142404 in words is "one billion, one hundred three million, one hundred forty-two thousand, four hundred four".