243121041244 has 12 divisors (see below), whose sum is σ = 447854549800. Its totient is φ = 115162598448.

The previous prime is 243121041209. The next prime is 243121041283. The reversal of 243121041244 is 442140121342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599480459 + ... + 1599480610.

Almost surely, 2^243121041244 is an apocalyptic number.

It is an amenable number.

243121041244 is a deficient number, since it is larger than the sum of its proper divisors (204733508556).

243121041244 is a wasteful number, since it uses less digits than its factorization.

243121041244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198961092 (or 3198961090 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 243121041244 its reverse (442140121342), we get a palindrome (685261162586).

The spelling of 243121041244 in words is "two hundred forty-three billion, one hundred twenty-one million, forty-one thousand, two hundred forty-four".