1601223 has 8 divisors (see below), whose sum is σ = 2299248. Its totient is φ = 985344.

The previous prime is 1601219. The next prime is 1601227. The reversal of 1601223 is 3221061.

It is an interprime number because it is at equal distance from previous prime (1601219) and next prime (1601227).

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

It is not a de Polignac number, because 1601223 - 2² = 1601219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20490 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (287406).

2^1601223 is an apocalyptic number.

1601223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1601223 is a deficient number, since it is larger than the sum of its proper divisors (698025).

1601223 is a wasteful number, since it uses less digits than its factorization.

1601223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41073.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1601223 is about 1265.3944049189. The cubic root of 1601223 is about 116.9905025529.

Adding to 1601223 its reverse (3221061), we get a palindrome (4822284).

The spelling of 1601223 in words is "one million, six hundred one thousand, two hundred twenty-three".