1140603 has 4 divisors (see below), whose sum is σ = 1520808. Its totient is φ = 760400.

The previous prime is 1140577. The next prime is 1140611. The reversal of 1140603 is 3060411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3060411 = 3 ⋅1020137.

It is a cyclic number.

It is not a de Polignac number, because 1140603 - 2⁵ = 1140571 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1140103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190098 + ... + 190103.

It is an arithmetic number, because the mean of its divisors is an integer number (380202).

2^1140603 is an apocalyptic number.

1140603 is a deficient number, since it is larger than the sum of its proper divisors (380205).

1140603 is an equidigital number, since it uses as much as digits as its factorization.

1140603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380204.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1140603 is about 1067.9901684941. The cubic root of 1140603 is about 104.4828081575.

The spelling of 1140603 in words is "one million, one hundred forty thousand, six hundred three".