190103 has 4 divisors (see below), whose sum is σ = 194568. Its totient is φ = 185640.

The previous prime is 190097. The next prime is 190121. The reversal of 190103 is 301091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301091 = 7 ⋅43013.

It is a cyclic number.

It is not a de Polignac number, because 190103 - 2¹² = 186007 is a prime.

It is a super-2 number, since 2×190103² = 72278301218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (48642).

2¹⁹⁰¹⁰³ is an apocalyptic number.

190103 is a deficient number, since it is larger than the sum of its proper divisors (4465).

190103 is an equidigital number, since it uses as much as digits as its factorization.

190103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464.

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

The square root of 190103 is about 436.0080274490. The cubic root of 190103 is about 57.4993572707.

Adding to 190103 its reverse (301091), we get a palindrome (491194).

The spelling of 190103 in words is "one hundred ninety thousand, one hundred three".