121141240143 has 96 divisors (see below), whose sum is σ = 214125576192. Its totient is φ = 60126897600.

The previous prime is 121141240133. The next prime is 121141240163. The reversal of 121141240143 is 341042141121.

It is a happy number.

It is not a de Polignac number, because 121141240143 - 2¹³ = 121141231951 is a prime.

It is a super-3 number, since 3×121141240143³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141240133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57384658 + ... + 57386768.

It is an arithmetic number, because the mean of its divisors is an integer number (2230474752).

Almost surely, 2^121141240143 is an apocalyptic number.

121141240143 is a deficient number, since it is larger than the sum of its proper divisors (92984336049).

121141240143 is a wasteful number, since it uses less digits than its factorization.

121141240143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 121141240143 its reverse (341042141121), we get a palindrome (462183381264).

The spelling of 121141240143 in words is "one hundred twenty-one billion, one hundred forty-one million, two hundred forty thousand, one hundred forty-three".