1223968 has 24 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 585024.

The previous prime is 1223953. The next prime is 1223977. The reversal of 1223968 is 8693221.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2^1223968 is an apocalyptic number.

It is an amenable number.

1223968 is an abundant number, since it is smaller than the sum of its proper divisors (1292000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223968 is a wasteful number, since it uses less digits than its factorization.

1223968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1688 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1223968 is about 1106.3308727501. The cubic root of 1223968 is about 106.9686926195.

The spelling of 1223968 in words is "one million, two hundred twenty-three thousand, nine hundred sixty-eight".