1397103 has 4 divisors (see below), whose sum is σ = 1862808. Its totient is φ = 931400.

The previous prime is 1397101. The next prime is 1397107. The reversal of 1397103 is 3017931.

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 1397103 - 2¹ = 1397101 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397101) 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, 232848 + ... + 232853.

It is an arithmetic number, because the mean of its divisors is an integer number (465702).

2^1397103 is an apocalyptic number.

1397103 is a deficient number, since it is larger than the sum of its proper divisors (465705).

1397103 is an equidigital number, since it uses as much as digits as its factorization.

1397103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465704.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 1397103 is about 1181.9911167179. The cubic root of 1397103 is about 111.7916780213.

The spelling of 1397103 in words is "one million, three hundred ninety-seven thousand, one hundred three".