1243066160 has 80 divisors (see below), whose sum is σ = 3315597312. Its totient is φ = 424569600.

The previous prime is 1243066159. The next prime is 1243066207. The reversal of 1243066160 is 616603421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147665 + ... + 155855.

Almost surely, 2^1243066160 is an apocalyptic number.

1243066160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243066160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657798656).

1243066160 is an abundant number, since it is smaller than the sum of its proper divisors (2072531152).

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

1243066160 is a wasteful number, since it uses less digits than its factorization.

1243066160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482 (or 8476 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1243066160 is about 35257.1433896735. The cubic root of 1243066160 is about 1075.2218500127.

Adding to 1243066160 its reverse (616603421), we get a palindrome (1859669581).

The spelling of 1243066160 in words is "one billion, two hundred forty-three million, sixty-six thousand, one hundred sixty".