1223375 has 8 divisors (see below), whose sum is σ = 1526928. Its totient is φ = 978600.

The previous prime is 1223357. The next prime is 1223381. The reversal of 1223375 is 5733221.

It is not a de Polignac number, because 1223375 - 2⁶ = 1223311 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1223375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (190866).

2^1223375 is an apocalyptic number.

1223375 is a deficient number, since it is larger than the sum of its proper divisors (303553).

1223375 is an frugal number, since it uses more digits than its factorization.

1223375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802 (or 9792 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 1223375 is about 1106.0628372746. The cubic root of 1223375 is about 106.9514147491.

Adding to 1223375 its reverse (5733221), we get a palindrome (6956596).

The spelling of 1223375 in words is "one million, two hundred twenty-three thousand, three hundred seventy-five".