1230603 has 16 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 735680.

The previous prime is 1230599. The next prime is 1230629. The reversal of 1230603 is 3060321.

It is not a de Polignac number, because 1230603 - 2² = 1230599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232603) 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, 2728 + ... + 3146.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^1230603 is an apocalyptic number.

1230603 is a deficient number, since it is larger than the sum of its proper divisors (583797).

1230603 is a wasteful number, since it uses less digits than its factorization.

1230603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1230603 is about 1109.3254707253. The cubic root of 1230603 is about 107.1616330270.

Adding to 1230603 its reverse (3060321), we get a palindrome (4290924).

It can be divided in two parts, 12 and 30603, that multiplied together give a square (367236 = 606²).

The spelling of 1230603 in words is "one million, two hundred thirty thousand, six hundred three".