1397203 has 8 divisors (see below), whose sum is σ = 1483520. Its totient is φ = 1312200.

The previous prime is 1397189. The next prime is 1397219. The reversal of 1397203 is 3027931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1397203 - 2⁹ = 1396691 is a prime.

1397203 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1397233) 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 7 ways as a sum of consecutive naturals, for example, 2626 + ... + 3112.

It is an arithmetic number, because the mean of its divisors is an integer number (185440).

2^1397203 is an apocalyptic number.

1397203 is a deficient number, since it is larger than the sum of its proper divisors (86317).

1397203 is a wasteful number, since it uses less digits than its factorization.

1397203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1397203 is about 1182.0334174633. The cubic root of 1397203 is about 111.7943451835.

It can be divided in two parts, 1397 and 203, that added together give a square (1600 = 40²).

The spelling of 1397203 in words is "one million, three hundred ninety-seven thousand, two hundred three".