1243412160 has 56 divisors (see below), whose sum is σ = 3947836656. Its totient is φ = 331576320.

The previous prime is 1243412143. The next prime is 1243412161. The reversal of 1243412160 is 612143421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1243412160.

It is not an unprimeable number, because it can be changed into a prime (1243412161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646651 + ... + 648570.

Almost surely, 2^1243412160 is an apocalyptic number.

1243412160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243412160 is an abundant number, since it is smaller than the sum of its proper divisors (2704424496).

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

1243412160 is a wasteful number, since it uses less digits than its factorization.

1243412160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295241 (or 1295231 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1243412160 is about 35262.0498553331. The cubic root of 1243412160 is about 1075.3216012730.

Adding to 1243412160 its reverse (612143421), we get a palindrome (1855555581).

The spelling of 1243412160 in words is "one billion, two hundred forty-three million, four hundred twelve thousand, one hundred sixty".