1220795 has 4 divisors (see below), whose sum is σ = 1464960. Its totient is φ = 976632.

The previous prime is 1220783. The next prime is 1220797. The reversal of 1220795 is 5970221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220795 - 2²⁰ = 172219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122075 + ... + 122084.

It is an arithmetic number, because the mean of its divisors is an integer number (366240).

2^1220795 is an apocalyptic number.

1220795 is a deficient number, since it is larger than the sum of its proper divisors (244165).

1220795 is an equidigital number, since it uses as much as digits as its factorization.

1220795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244164.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1220795 is about 1104.8959227004. The cubic root of 1220795 is about 106.8761778423.

The spelling of 1220795 in words is "one million, two hundred twenty thousand, seven hundred ninety-five".