1406203 has 4 divisors (see below), whose sum is σ = 1410480. Its totient is φ = 1401928.

The previous prime is 1406173. The next prime is 1406213. The reversal of 1406203 is 3026041.

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 1406203 - 2¹³ = 1398011 is a prime.

It is a Duffinian number.

1406203 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1406213) 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, 1600 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (352620).

2^1406203 is an apocalyptic number.

1406203 is a deficient number, since it is larger than the sum of its proper divisors (4277).

1406203 is an equidigital number, since it uses as much as digits as its factorization.

1406203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1406203 is about 1185.8343054576. The cubic root of 1406203 is about 112.0338704958.

The spelling of 1406203 in words is "one million, four hundred six thousand, two hundred three".