1992203 has 2 divisors, whose sum is σ = 1992204. Its totient is φ = 1992202.

The previous prime is 1992197. The next prime is 1992227. The reversal of 1992203 is 3022991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1992203 - 2⁶ = 1992139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1992803) 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 as a sum of consecutive naturals, namely, 996101 + 996102.

It is an arithmetic number, because the mean of its divisors is an integer number (996102).

2^1992203 is an apocalyptic number.

1992203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992203 is an equidigital number, since it uses as much as digits as its factorization.

1992203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1992203 is about 1411.4542146311. The cubic root of 1992203 is about 125.8281650241.

The spelling of 1992203 in words is "one million, nine hundred ninety-two thousand, two hundred three".