1603055 has 4 divisors (see below), whose sum is σ = 1923672. Its totient is φ = 1282440.

The previous prime is 1603051. The next prime is 1603057. The reversal of 1603055 is 5503061.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1603055 - 2² = 1603051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603051) 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, 160301 + ... + 160310.

It is an arithmetic number, because the mean of its divisors is an integer number (480918).

2^1603055 is an apocalyptic number.

1603055 is a deficient number, since it is larger than the sum of its proper divisors (320617).

1603055 is an equidigital number, since it uses as much as digits as its factorization.

1603055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320616.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1603055 is about 1266.1180829607. The cubic root of 1603055 is about 117.0351028186.

The spelling of 1603055 in words is "one million, six hundred three thousand, fifty-five".