1103412403 has 4 divisors (see below), whose sum is σ = 1161486760. Its totient is φ = 1045338048.

The previous prime is 1103412389. The next prime is 1103412407. The reversal of 1103412403 is 3042143011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042143011 = 4051 ⋅750961.

It is not a de Polignac number, because 1103412403 - 2¹⁷ = 1103281331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 58074337 = 1103412403 / (1 + 1 + 0 + 3 + 4 + 1 + 2 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103412407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29037150 + ... + 29037187.

It is an arithmetic number, because the mean of its divisors is an integer number (290371690).

Almost surely, 2^1103412403 is an apocalyptic number.

1103412403 is a deficient number, since it is larger than the sum of its proper divisors (58074357).

1103412403 is an equidigital number, since it uses as much as digits as its factorization.

1103412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58074356.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1103412403 is about 33217.6519790307. The cubic root of 1103412403 is about 1033.3464546952.

Adding to 1103412403 its reverse (3042143011), we get a palindrome (4145555414).

The spelling of 1103412403 in words is "one billion, one hundred three million, four hundred twelve thousand, four hundred three".