1992103 has 4 divisors (see below), whose sum is σ = 1995120. Its totient is φ = 1989088.

The previous prime is 1992101. The next prime is 1992119. The reversal of 1992103 is 3012991.

1992103 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1992103 - 2¹ = 1992101 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 (1992101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (498780).

2^1992103 is an apocalyptic number.

1992103 is a deficient number, since it is larger than the sum of its proper divisors (3017).

1992103 is an equidigital number, since it uses as much as digits as its factorization.

1992103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1992103 is about 1411.4187897290. The cubic root of 1992103 is about 125.8260596452.

The spelling of 1992103 in words is "one million, nine hundred ninety-two thousand, one hundred three".