1231401142141 has 8 divisors (see below), whose sum is σ = 1253452687200. Its totient is φ = 1209388941840.

The previous prime is 1231401142079. The next prime is 1231401142157. The reversal of 1231401142141 is 1412411041321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231401142141 - 2²⁷ = 1231266924413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231401142171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9773031 + ... + 9898228.

It is an arithmetic number, because the mean of its divisors is an integer number (156681585900).

Almost surely, 2^{1231401142141} is an apocalyptic number.

It is an amenable number.

1231401142141 is a deficient number, since it is larger than the sum of its proper divisors (22051545059).

1231401142141 is a wasteful number, since it uses less digits than its factorization.

1231401142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19672379.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 1231401142141 its reverse (1412411041321), we get a palindrome (2643812183462).

The spelling of 1231401142141 in words is "one trillion, two hundred thirty-one billion, four hundred one million, one hundred forty-two thousand, one hundred forty-one".