140241242121 has 16 divisors (see below), whose sum is σ = 187399132800. Its totient is φ = 93288843648.

The previous prime is 140241242039. The next prime is 140241242137. The reversal of 140241242121 is 121242142041.

It is a happy number.

It is not a de Polignac number, because 140241242121 - 2¹⁰ = 140241241097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140241242091 and 140241242100.

It is not an unprimeable number, because it can be changed into a prime (140241242821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9165045 + ... + 9180333.

It is an arithmetic number, because the mean of its divisors is an integer number (11712445800).

Almost surely, 2^140241242121 is an apocalyptic number.

It is an amenable number.

140241242121 is a deficient number, since it is larger than the sum of its proper divisors (47157890679).

140241242121 is a wasteful number, since it uses less digits than its factorization.

140241242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21808.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 140241242121 its reverse (121242142041), we get a palindrome (261483384162).

The spelling of 140241242121 in words is "one hundred forty billion, two hundred forty-one million, two hundred forty-two thousand, one hundred twenty-one".