1023166 has 4 divisors (see below), whose sum is σ = 1534752. Its totient is φ = 511582.

The previous prime is 1023163. The next prime is 1023167. The reversal of 1023166 is 6613201.

It is a semiprime because it is the product of two primes.

It is a pancake number, because a pancake can be divided into 1023166 parts by 1430 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255790 + ... + 255793.

It is an arithmetic number, because the mean of its divisors is an integer number (383688).

2^1023166 is an apocalyptic number.

1023166 is a deficient number, since it is larger than the sum of its proper divisors (511586).

1023166 is an equidigital number, since it uses as much as digits as its factorization.

1023166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511585.

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

The square root of 1023166 is about 1011.5166830063. The cubic root of 1023166 is about 100.7663126491.

Adding to 1023166 its reverse (6613201), we get a palindrome (7636367).

The spelling of 1023166 in words is "one million, twenty-three thousand, one hundred sixty-six".