140241121 has 4 divisors (see below), whose sum is σ = 140276500. Its totient is φ = 140205744.

The previous prime is 140241119. The next prime is 140241139. The reversal of 140241121 is 121142041.

It is a happy number.

140241121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121142041 = 461 ⋅262781.

It can be written as a sum of positive squares in 2 ways, for example, as 114597025 + 25644096 = 10705^2 + 5064^2 .

It is a cyclic number.

It is not a de Polignac number, because 140241121 - 2¹ = 140241119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140241095 and 140241104.

It is not an unprimeable number, because it can be changed into a prime (140241151) 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, 10866 + ... + 19963.

It is an arithmetic number, because the mean of its divisors is an integer number (35069125).

Almost surely, 2^140241121 is an apocalyptic number.

It is an amenable number.

140241121 is a deficient number, since it is larger than the sum of its proper divisors (35379).

140241121 is an equidigital number, since it uses as much as digits as its factorization.

140241121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35378.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140241121 is about 11842.3444047199. The cubic root of 140241121 is about 519.5473390603.

Adding to 140241121 its reverse (121142041), we get a palindrome (261383162).

The spelling of 140241121 in words is "one hundred forty million, two hundred forty-one thousand, one hundred twenty-one".