1220354 has 8 divisors (see below), whose sum is σ = 1835328. Its totient is φ = 608580.

The previous prime is 1220353. The next prime is 1220363. The reversal of 1220354 is 4530221.

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 (1220353) 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, 779 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (229416).

2^1220354 is an apocalyptic number.

1220354 is a deficient number, since it is larger than the sum of its proper divisors (614974).

1220354 is an equidigital number, since it uses as much as digits as its factorization.

1220354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1220354 is about 1104.6963383663. The cubic root of 1220354 is about 106.8633069751.

Adding to 1220354 its reverse (4530221), we get a palindrome (5750575).

The spelling of 1220354 in words is "one million, two hundred twenty thousand, three hundred fifty-four".