1168220 has 12 divisors (see below), whose sum is σ = 2453304. Its totient is φ = 467280.

The previous prime is 1168187. The next prime is 1168231. The reversal of 1168220 is 228611.

1168220 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 58411 = 1168220 / (1 + 1 + 6 + 8 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1168192 and 1168201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29186 + ... + 29225.

It is an arithmetic number, because the mean of its divisors is an integer number (204442).

2^1168220 is an apocalyptic number.

1168220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1168220 is an abundant number, since it is smaller than the sum of its proper divisors (1285084).

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

1168220 is a wasteful number, since it uses less digits than its factorization.

1168220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58420 (or 58418 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1168220 is about 1080.8422641625. The cubic root of 1168220 is about 105.3193602501.

The spelling of 1168220 in words is "one million, one hundred sixty-eight thousand, two hundred twenty".