103019 has 4 divisors (see below), whose sum is σ = 117744. Its totient is φ = 88296.

The previous prime is 103007. The next prime is 103043. The reversal of 103019 is 910301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910301 = 7 ⋅130043.

It is a cyclic number.

It is not a de Polignac number, because 103019 - 2⁸ = 102763 is a prime.

It is a super-2 number, since 2×103019² = 21225828722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102994 and 103012.

It is not an unprimeable number, because it can be changed into a prime (103049) 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, 7352 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (29436).

2¹⁰³⁰¹⁹ is an apocalyptic number.

103019 is a deficient number, since it is larger than the sum of its proper divisors (14725).

103019 is an equidigital number, since it uses as much as digits as its factorization.

103019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 103019 is about 320.9657302579. The cubic root of 103019 is about 46.8783636105.

The spelling of 103019 in words is "one hundred three thousand, nineteen".