1103420724 has 48 divisors (see below), whose sum is σ = 2944101888. Its totient is φ = 315086688.

The previous prime is 1103420723. The next prime is 1103420743. The reversal of 1103420724 is 4270243011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1103420694 and 1103420703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103420723) 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, 255487 + ... + 259769.

It is an arithmetic number, because the mean of its divisors is an integer number (61335456).

Almost surely, 2^1103420724 is an apocalyptic number.

1103420724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1103420724 is an abundant number, since it is smaller than the sum of its proper divisors (1840681164).

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

1103420724 is a wasteful number, since it uses less digits than its factorization.

1103420724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364 (or 7362 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1103420724 is about 33217.7772284661. Note that the first 3 decimals coincide. The cubic root of 1103420724 is about 1033.3490522294.

Adding to 1103420724 its reverse (4270243011), we get a palindrome (5373663735).

The spelling of 1103420724 in words is "one billion, one hundred three million, four hundred twenty thousand, seven hundred twenty-four".