1229166 has 24 divisors (see below), whose sum is σ = 2779920. Its totient is φ = 391776.

The previous prime is 1229159. The next prime is 1229197. The reversal of 1229166 is 6619221.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1071 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (115830).

2^1229166 is an apocalyptic number.

1229166 is an abundant number, since it is smaller than the sum of its proper divisors (1550754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229166 is a wasteful number, since it uses less digits than its factorization.

1229166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000 (or 2997 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1229166 is about 1108.6775906457. The cubic root of 1229166 is about 107.1199051789.

The spelling of 1229166 in words is "one million, two hundred twenty-nine thousand, one hundred sixty-six".