1603242 has 12 divisors (see below), whose sum is σ = 3473730. Its totient is φ = 534408.

The previous prime is 1603241. The next prime is 1603249. The reversal of 1603242 is 2423061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 68121 = 1239^2 + 261^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 89069 = 1603242 / (1 + 6 + 0 + 3 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1603241) 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 5 ways as a sum of consecutive naturals, for example, 44517 + ... + 44552.

2^1603242 is an apocalyptic number.

1603242 is an abundant number, since it is smaller than the sum of its proper divisors (1870488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1603242 is a wasteful number, since it uses less digits than its factorization.

1603242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89077 (or 89074 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1603242 is about 1266.1919285795. The cubic root of 1603242 is about 117.0396534450.

The spelling of 1603242 in words is "one million, six hundred three thousand, two hundred forty-two".