121013238 has 8 divisors (see below), whose sum is σ = 242026488. Its totient is φ = 40337744.

The previous prime is 121013231. The next prime is 121013239. The reversal of 121013238 is 832310121.

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

121013238 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013231) 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, 10084431 + ... + 10084442.

It is an arithmetic number, because the mean of its divisors is an integer number (30253311).

Almost surely, 2^121013238 is an apocalyptic number.

121013238 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.

121013238 is a wasteful number, since it uses less digits than its factorization.

121013238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20168878.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 121013238 is about 11000.6017108156. The cubic root of 121013238 is about 494.6267812169.

Adding to 121013238 its reverse (832310121), we get a palindrome (953323359).

The spelling of 121013238 in words is "one hundred twenty-one million, thirteen thousand, two hundred thirty-eight".