19481103 has 12 divisors (see below), whose sum is σ = 28210000. Its totient is φ = 12954816.

The previous prime is 19481101. The next prime is 19481123. The reversal of 19481103 is 30118491.

It is not a de Polignac number, because 19481103 - 2¹ = 19481101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19481101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1398 + ... + 6396.

Almost surely, 2^19481103 is an apocalyptic number.

19481103 is a deficient number, since it is larger than the sum of its proper divisors (8728897).

19481103 is a wasteful number, since it uses less digits than its factorization.

19481103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438 (or 5435 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 19481103 is about 4413.7402506264. The cubic root of 19481103 is about 269.0736567183.

Adding to 19481103 its reverse (30118491), we get a palindrome (49599594).

The spelling of 19481103 in words is "nineteen million, four hundred eighty-one thousand, one hundred three".