121333242 has 8 divisors (see below), whose sum is σ = 242666496. Its totient is φ = 40444412.

The previous prime is 121333231. The next prime is 121333243. The reversal of 121333242 is 242333121.

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

121333242 is an admirable number.

It is a super-2 number, since 2×121333242² = 29443511228461128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121333243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111098 + ... + 10111109.

It is an arithmetic number, because the mean of its divisors is an integer number (30333312).

Almost surely, 2^121333242 is an apocalyptic number.

121333242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121333242 is a wasteful number, since it uses less digits than its factorization.

121333242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222212.

The product of its digits is 864, while the sum is 21.

The square root of 121333242 is about 11015.1369487628. The cubic root of 121333242 is about 495.0623898506.

Adding to 121333242 its reverse (242333121), we get a palindrome (363666363).

The spelling of 121333242 in words is "one hundred twenty-one million, three hundred thirty-three thousand, two hundred forty-two".