121440120234 has 8 divisors (see below), whose sum is σ = 242880240480. Its totient is φ = 40480040076.

The previous prime is 121440120233. The next prime is 121440120251. The reversal of 121440120234 is 432021044121.

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

121440120234 is an admirable number.

It is a super-3 number, since 3×121440120234³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121440120233) 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, 10120010014 + ... + 10120010025.

It is an arithmetic number, because the mean of its divisors is an integer number (30360030060).

Almost surely, 2^121440120234 is an apocalyptic number.

121440120234 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.

121440120234 is a wasteful number, since it uses less digits than its factorization.

121440120234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20240020044.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 121440120234 its reverse (432021044121), we get a palindrome (553461164355).

The spelling of 121440120234 in words is "one hundred twenty-one billion, four hundred forty million, one hundred twenty thousand, two hundred thirty-four".