140430121 has 16 divisors (see below), whose sum is σ = 160048000. Its totient is φ = 122145408.

The previous prime is 140430091. The next prime is 140430161. The reversal of 140430121 is 121034041.

140430121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140430121 - 2¹³ = 140421929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140430095 and 140430104.

It is not an unprimeable number, because it can be changed into a prime (140430161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47725 + ... + 50581.

It is an arithmetic number, because the mean of its divisors is an integer number (10003000).

Almost surely, 2^140430121 is an apocalyptic number.

It is an amenable number.

140430121 is a deficient number, since it is larger than the sum of its proper divisors (19617879).

140430121 is a wasteful number, since it uses less digits than its factorization.

140430121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140430121 is about 11850.3215568186. The cubic root of 140430121 is about 519.7806286211.

Adding to 140430121 its reverse (121034041), we get a palindrome (261464162).

The spelling of 140430121 in words is "one hundred forty million, four hundred thirty thousand, one hundred twenty-one".