1103303124 has 144 divisors (see below), whose sum is σ = 3488110080. Its totient is φ = 285664320.

The previous prime is 1103303119. The next prime is 1103303161. The reversal of 1103303124 is 4213033011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1103303097 and 1103303106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1715547 + ... + 1716189.

Almost surely, 2^1103303124 is an apocalyptic number.

1103303124 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 1103303124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744055040).

1103303124 is an abundant number, since it is smaller than the sum of its proper divisors (2384806956).

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

1103303124 is a wasteful number, since it uses less digits than its factorization.

1103303124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103303124 is about 33216.0070447969. The cubic root of 1103303124 is about 1033.3123402834.

Adding to 1103303124 its reverse (4213033011), we get a palindrome (5316336135).

The spelling of 1103303124 in words is "one billion, one hundred three million, three hundred three thousand, one hundred twenty-four".