140124202043121 has 24 divisors (see below), whose sum is σ = 202437498617640. Its totient is φ = 93399578931456.

The previous prime is 140124202043107. The next prime is 140124202043129. The reversal of 140124202043121 is 121340202421041.

140124202043121 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 2 + 4 + 202 + 0 + 431 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26622132592896 + 113502069450225 = 5159664^2 + 10653735^2 .

It is not a de Polignac number, because 140124202043121 - 2⁶ = 140124202043057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140124202043129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2426910565 + ... + 2426968301.

It is an arithmetic number, because the mean of its divisors is an integer number (8434895775735).

Almost surely, 2^{140124202043121} is an apocalyptic number.

It is an amenable number.

140124202043121 is a deficient number, since it is larger than the sum of its proper divisors (62313296574519).

140124202043121 is a wasteful number, since it uses less digits than its factorization.

140124202043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100865 (or 100862 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 140124202043121 its reverse (121340202421041), we get a palindrome (261464404464162).

The spelling of 140124202043121 in words is "one hundred forty trillion, one hundred twenty-four billion, two hundred two million, forty-three thousand, one hundred twenty-one".