1340603 has 16 divisors (see below), whose sum is σ = 1586304. Its totient is φ = 1119360.

The previous prime is 1340587. The next prime is 1340617. The reversal of 1340603 is 3060431.

It is not a de Polignac number, because 1340603 - 2⁴ = 1340587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

1340603 is a modest number, since divided by 603 gives 134 as remainder.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1340653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12476 + ... + 12582.

It is an arithmetic number, because the mean of its divisors is an integer number (99144).

2^1340603 is an apocalyptic number.

1340603 is a deficient number, since it is larger than the sum of its proper divisors (245701).

1340603 is a wasteful number, since it uses less digits than its factorization.

1340603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1340603 is about 1157.8441173146. The cubic root of 1340603 is about 110.2639117716.

The spelling of 1340603 in words is "one million, three hundred forty thousand, six hundred three".