121010242 has 8 divisors (see below), whose sum is σ = 185377536. Its totient is φ = 59217732.

The previous prime is 121010207. The next prime is 121010257. The reversal of 121010242 is 242010121.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643578 + ... + 643765.

It is an arithmetic number, because the mean of its divisors is an integer number (23172192).

Almost surely, 2^121010242 is an apocalyptic number.

121010242 is a deficient number, since it is larger than the sum of its proper divisors (64367294).

121010242 is a wasteful number, since it uses less digits than its factorization.

121010242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287392.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121010242 is about 11000.4655356035. The cubic root of 121010242 is about 494.6226992555.

Adding to 121010242 its reverse (242010121), we get a palindrome (363020363).

The spelling of 121010242 in words is "one hundred twenty-one million, ten thousand, two hundred forty-two".