243100120 has 32 divisors (see below), whose sum is σ = 555145200. Its totient is φ = 95787648.

The previous prime is 243100103. The next prime is 243100141. The reversal of 243100120 is 21001342.

It is a self number, because there is not a number n which added to its sum of digits gives 243100120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42675 + ... + 48034.

Almost surely, 2^243100120 is an apocalyptic number.

243100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243100120 is an abundant number, since it is smaller than the sum of its proper divisors (312045080).

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

243100120 is a wasteful number, since it uses less digits than its factorization.

243100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90787 (or 90783 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 243100120 is about 15591.6682879030. The cubic root of 243100120 is about 624.1108380254.

Adding to 243100120 its reverse (21001342), we get a palindrome (264101462).

The spelling of 243100120 in words is "two hundred forty-three million, one hundred thousand, one hundred twenty".