1231424455541 has 8 divisors (see below), whose sum is σ = 1407358001280. Its totient is φ = 1055494851408.

The previous prime is 1231424455507. The next prime is 1231424455561. The reversal of 1231424455541 is 1455544241321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231424455541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231424455561) 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, 282506 + ... + 1594571.

It is an arithmetic number, because the mean of its divisors is an integer number (175919750160).

Almost surely, 2^{1231424455541} is an apocalyptic number.

It is an amenable number.

1231424455541 is a deficient number, since it is larger than the sum of its proper divisors (175933545739).

1231424455541 is an equidigital number, since it uses as much as digits as its factorization.

1231424455541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970803.

The product of its digits is 384000, while the sum is 41.

Adding to 1231424455541 its reverse (1455544241321), we get a palindrome (2686968696862).

The spelling of 1231424455541 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-four million, four hundred fifty-five thousand, five hundred forty-one".