1203166 has 16 divisors (see below), whose sum is σ = 1887840. Its totient is φ = 574560.

The previous prime is 1203161. The next prime is 1203179. The reversal of 1203166 is 6613021.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203161) 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 7 ways as a sum of consecutive naturals, for example, 5140 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (117990).

2^1203166 is an apocalyptic number.

1203166 is a deficient number, since it is larger than the sum of its proper divisors (684674).

1203166 is a wasteful number, since it uses less digits than its factorization.

1203166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1203166 is about 1096.8892377993. The cubic root of 1203166 is about 106.3592297676.

Adding to 1203166 its reverse (6613021), we get a palindrome (7816187).

It can be divided in two parts, 1203 and 166, that added together give a square (1369 = 37²).

The spelling of 1203166 in words is "one million, two hundred three thousand, one hundred sixty-six".