1223160 has 32 divisors (see below), whose sum is σ = 3669840. Its totient is φ = 326144.

The previous prime is 1223149. The next prime is 1223161. The reversal of 1223160 is 613221.

It is a super-2 number, since 2×1223160² = 2992240771200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4977 + ... + 5216.

2^1223160 is an apocalyptic number.

1223160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223160 is an abundant number, since it is smaller than the sum of its proper divisors (2446680).

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

1223160 is a wasteful number, since it uses less digits than its factorization.

1223160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207 (or 10203 counting only the distinct ones).

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

The square root of 1223160 is about 1105.9656414193. The cubic root of 1223160 is about 106.9451490493.

Adding to 1223160 its reverse (613221), we get a palindrome (1836381).

The spelling of 1223160 in words is "one million, two hundred twenty-three thousand, one hundred sixty".