121541242 has 8 divisors (see below), whose sum is σ = 183005856. Its totient is φ = 60539292.

The previous prime is 121541209. The next prime is 121541249. The reversal of 121541242 is 242145121.

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

It is not an unprimeable number, because it can be changed into a prime (121541249) 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, 115008 + ... + 116059.

It is an arithmetic number, because the mean of its divisors is an integer number (22875732).

Almost surely, 2^121541242 is an apocalyptic number.

121541242 is a deficient number, since it is larger than the sum of its proper divisors (61464614).

121541242 is a wasteful number, since it uses less digits than its factorization.

121541242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231332.

The product of its digits is 640, while the sum is 22.

The square root of 121541242 is about 11024.5744589077. The cubic root of 121541242 is about 495.3451213582.

Adding to 121541242 its reverse (242145121), we get a palindrome (363686363).

The spelling of 121541242 in words is "one hundred twenty-one million, five hundred forty-one thousand, two hundred forty-two".