103489019 has 4 divisors (see below), whose sum is σ = 105441696. Its totient is φ = 101536344.

The previous prime is 103489007. The next prime is 103489049. The reversal of 103489019 is 910984301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910984301 = 73 ⋅12479237.

It is a cyclic number.

It is not a de Polignac number, because 103489019 - 2¹² = 103484923 is a prime.

It is a super-2 number, since 2×103489019² = 21419954107164722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103489019.

It is not an unprimeable number, because it can be changed into a prime (103489049) 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 3 ways as a sum of consecutive naturals, for example, 976259 + ... + 976364.

It is an arithmetic number, because the mean of its divisors is an integer number (26360424).

Almost surely, 2^103489019 is an apocalyptic number.

103489019 is a deficient number, since it is larger than the sum of its proper divisors (1952677).

103489019 is an equidigital number, since it uses as much as digits as its factorization.

103489019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952676.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 103489019 is about 10172.9552736656. The cubic root of 103489019 is about 469.4954885144.

The spelling of 103489019 in words is "one hundred three million, four hundred eighty-nine thousand, nineteen".