1223016 has 32 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 403520.

The previous prime is 1223003. The next prime is 1223021. The reversal of 1223016 is 6103221.

It is a junction number, because it is equal to n+sod(n) for n = 1222986 and 1223004.

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, 2950 + ... + 3338.

It is an arithmetic number, because the mean of its divisors is an integer number (96525).

2^1223016 is an apocalyptic number.

It is an amenable number.

1223016 is an abundant number, since it is smaller than the sum of its proper divisors (1865784).

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

1223016 is a wasteful number, since it uses less digits than its factorization.

1223016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 525 counting only the distinct ones).

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

The square root of 1223016 is about 1105.9005380232. The cubic root of 1223016 is about 106.9409520770.

Adding to 1223016 its reverse (6103221), we get a palindrome (7326237).

It can be divided in two parts, 12230 and 16, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 1223016 in words is "one million, two hundred twenty-three thousand, sixteen".