121024243 has 8 divisors (see below), whose sum is σ = 128523600. Its totient is φ = 113637888.

The previous prime is 121024223. The next prime is 121024261. The reversal of 121024243 is 342420121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121024243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 121024243.

It is not an unprimeable number, because it can be changed into a prime (121024213) 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, 26038 + ... + 30331.

It is an arithmetic number, because the mean of its divisors is an integer number (16065450).

Almost surely, 2^121024243 is an apocalyptic number.

121024243 is a deficient number, since it is larger than the sum of its proper divisors (7499357).

121024243 is a wasteful number, since it uses less digits than its factorization.

121024243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56501.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121024243 is about 11001.1018993554. The cubic root of 121024243 is about 494.6417746253.

Adding to 121024243 its reverse (342420121), we get a palindrome (463444364).

The spelling of 121024243 in words is "one hundred twenty-one million, twenty-four thousand, two hundred forty-three".