1220192 has 24 divisors (see below), whose sum is σ = 2544696. Its totient is φ = 573952.

The previous prime is 1220171. The next prime is 1220203. The reversal of 1220192 is 2910221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1220192.

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, 578 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (106029).

2^1220192 is an apocalyptic number.

It is an amenable number.

1220192 is an abundant number, since it is smaller than the sum of its proper divisors (1324504).

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

1220192 is a wasteful number, since it uses less digits than its factorization.

1220192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2262 counting only the distinct ones).

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

The square root of 1220192 is about 1104.6230126156. The cubic root of 1220192 is about 106.8585781227.

The spelling of 1220192 in words is "one million, two hundred twenty thousand, one hundred ninety-two".