1220594 has 8 divisors (see below), whose sum is σ = 1890048. Its totient is φ = 590580.

The previous prime is 1220591. The next prime is 1220599. The reversal of 1220594 is 4950221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1220591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9782 + ... + 9905.

It is an arithmetic number, because the mean of its divisors is an integer number (236256).

2^1220594 is an apocalyptic number.

1220594 is a deficient number, since it is larger than the sum of its proper divisors (669454).

1220594 is a wasteful number, since it uses less digits than its factorization.

1220594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19720.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1220594 is about 1104.8049601627. The cubic root of 1220594 is about 106.8703119132.

The spelling of 1220594 in words is "one million, two hundred twenty thousand, five hundred ninety-four".