1243160 has 16 divisors (see below), whose sum is σ = 2797200. Its totient is φ = 497248.

The previous prime is 1243157. The next prime is 1243169. The reversal of 1243160 is 613421.

1243160 = 83² + 84² + ... + 162².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15500 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (174825).

2^1243160 is an apocalyptic number.

1243160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243160 is an abundant number, since it is smaller than the sum of its proper divisors (1554040).

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

1243160 is a wasteful number, since it uses less digits than its factorization.

1243160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31090 (or 31086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1243160 is about 1114.9708516369. The cubic root of 1243160 is about 107.5248905767.

Adding to 1243160 its reverse (613421), we get a palindrome (1856581).

The spelling of 1243160 in words is "one million, two hundred forty-three thousand, one hundred sixty".