1103969940 has 24 divisors (see below), whose sum is σ = 3091116000. Its totient is φ = 294391968.

The previous prime is 1103969929. The next prime is 1103969947. The reversal of 1103969940 is 499693011.

It is a junction number, because it is equal to n+sod(n) for n = 1103969892 and 1103969901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103969947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9199690 + ... + 9199809.

It is an arithmetic number, because the mean of its divisors is an integer number (128796500).

Almost surely, 2^1103969940 is an apocalyptic number.

1103969940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103969940 is an abundant number, since it is smaller than the sum of its proper divisors (1987146060).

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

1103969940 is a wasteful number, since it uses less digits than its factorization.

1103969940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18399511 (or 18399509 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 1103969940 is about 33226.0430987501. The cubic root of 1103969940 is about 1033.5204699808.

The spelling of 1103969940 in words is "one billion, one hundred three million, nine hundred sixty-nine thousand, nine hundred forty".