1012166 has 4 divisors (see below), whose sum is σ = 1518252. Its totient is φ = 506082.

The previous prime is 1012159. The next prime is 1012171. The reversal of 1012166 is 6612101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6612101 = 47 ⋅140683.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253040 + ... + 253043.

It is an arithmetic number, because the mean of its divisors is an integer number (379563).

2^1012166 is an apocalyptic number.

1012166 is a deficient number, since it is larger than the sum of its proper divisors (506086).

1012166 is an equidigital number, since it uses as much as digits as its factorization.

1012166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506085.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1012166 is about 1006.0646102513. The cubic root of 1012166 is about 100.4038997866.

Adding to 1012166 its reverse (6612101), we get a palindrome (7624267).

The spelling of 1012166 in words is "one million, twelve thousand, one hundred sixty-six".