1219168 has 24 divisors (see below), whose sum is σ = 2479680. Its totient is φ = 589440.

The previous prime is 1219147. The next prime is 1219177. The reversal of 1219168 is 8619121.

It is a happy number.

It is a super-2 number, since 2×1219168² = 2972741224448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1219168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1219168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239840).

1219168 is an abundant number, since it is smaller than the sum of its proper divisors (1260512).

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

1219168 is a wasteful number, since it uses less digits than its factorization.

1219168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1262 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 1219168 is about 1104.1594087812. The cubic root of 1219168 is about 106.8286774164.

The spelling of 1219168 in words is "one million, two hundred nineteen thousand, one hundred sixty-eight".