140121303 has 16 divisors (see below), whose sum is σ = 215594496. Its totient is φ = 79290720.

The previous prime is 140121299. The next prime is 140121341. The reversal of 140121303 is 303121041.

It is not a de Polignac number, because 140121303 - 2² = 140121299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140121203) 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, 30228 + ... + 34553.

It is an arithmetic number, because the mean of its divisors is an integer number (13474656).

Almost surely, 2^140121303 is an apocalyptic number.

140121303 is a deficient number, since it is larger than the sum of its proper divisors (75473193).

140121303 is a wasteful number, since it uses less digits than its factorization.

140121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64894.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140121303 is about 11837.2844436551. The cubic root of 140121303 is about 519.3993347765.

Adding to 140121303 its reverse (303121041), we get a palindrome (443242344).

The spelling of 140121303 in words is "one hundred forty million, one hundred twenty-one thousand, three hundred three".