1241555122231 has 4 divisors (see below), whose sum is σ = 1246386076272. Its totient is φ = 1236724168192.

The previous prime is 1241555122211. The next prime is 1241555122259. The reversal of 1241555122231 is 1322215551421.

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

It is a cyclic number.

It is not a de Polignac number, because 1241555122231 - 2²⁵ = 1241521567799 is a prime.

It is a super-2 number, since 2×1241555122231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241555122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2415476635 + ... + 2415477148.

It is an arithmetic number, because the mean of its divisors is an integer number (311596519068).

Almost surely, 2^{1241555122231} is an apocalyptic number.

1241555122231 is a deficient number, since it is larger than the sum of its proper divisors (4830954041).

1241555122231 is an equidigital number, since it uses as much as digits as its factorization.

1241555122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830954040.

The product of its digits is 24000, while the sum is 34.

The spelling of 1241555122231 in words is "one trillion, two hundred forty-one billion, five hundred fifty-five million, one hundred twenty-two thousand, two hundred thirty-one".