1010603 has 4 divisors (see below), whose sum is σ = 1102488. Its totient is φ = 918720.

The previous prime is 1010579. The next prime is 1010617. The reversal of 1010603 is 3060101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3060101 = 11 ⋅278191.

It is not a de Polignac number, because 1010603 - 2¹² = 1006507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11), and also a Moran number because the ratio is a prime number: 91873 = 1010603 / (1 + 0 + 1 + 0 + 6 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010623) 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, 45926 + ... + 45947.

It is an arithmetic number, because the mean of its divisors is an integer number (275622).

2^1010603 is an apocalyptic number.

1010603 is a deficient number, since it is larger than the sum of its proper divisors (91885).

1010603 is an equidigital number, since it uses as much as digits as its factorization.

1010603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91884.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1010603 is about 1005.2875210605. The cubic root of 1010603 is about 100.3521914887.

Adding to 1010603 its reverse (3060101), we get a palindrome (4070704).

It can be divided in two parts, 10 and 10603, that multiplied together give a triangular number (106030 = T₄₆₀).

The spelling of 1010603 in words is "one million, ten thousand, six hundred three".