1241142120431 has 4 divisors (see below), whose sum is σ = 1248756489432. Its totient is φ = 1233527751432.

The previous prime is 1241142120403. The next prime is 1241142120497. The reversal of 1241142120431 is 1340212411421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241142120431 is a prime.

It is a super-2 number, since 2×1241142120431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241142120431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241142150431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3807184256 + ... + 3807184581.

It is an arithmetic number, because the mean of its divisors is an integer number (312189122358).

Almost surely, 2^{1241142120431} is an apocalyptic number.

1241142120431 is a deficient number, since it is larger than the sum of its proper divisors (7614369001).

1241142120431 is an equidigital number, since it uses as much as digits as its factorization.

1241142120431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614369000.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1241142120431 its reverse (1340212411421), we get a palindrome (2581354531852).

The spelling of 1241142120431 in words is "one trillion, two hundred forty-one billion, one hundred forty-two million, one hundred twenty thousand, four hundred thirty-one".