1103681403 has 32 divisors (see below), whose sum is σ = 1789182720. Its totient is φ = 666852480.

The previous prime is 1103681377. The next prime is 1103681407. The reversal of 1103681403 is 3041863011.

It is not a de Polignac number, because 1103681403 - 2¹³ = 1103673211 is a prime.

It is a super-2 number, since 2×1103681403² = 2436225278656096818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1103681407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94576 + ... + 105602.

It is an arithmetic number, because the mean of its divisors is an integer number (55911960).

Almost surely, 2^1103681403 is an apocalyptic number.

1103681403 is a deficient number, since it is larger than the sum of its proper divisors (685501317).

1103681403 is a wasteful number, since it uses less digits than its factorization.

1103681403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384 (or 11378 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1103681403 is about 33221.7007842765. The cubic root of 1103681403 is about 1033.4304207657.

The spelling of 1103681403 in words is "one billion, one hundred three million, six hundred eighty-one thousand, four hundred three".