1241131442121 has 12 divisors (see below), whose sum is σ = 1817303573748. Its totient is φ = 816086427264.

The previous prime is 1241131442107. The next prime is 1241131442129. The reversal of 1241131442121 is 1212441311421.

1241131442121 is a `hidden beast` number, since 1 + 2 + 411 + 31 + 4 + 4 + 212 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 652159614096 + 588971828025 = 807564^2 + 767445^2 .

It is not a de Polignac number, because 1241131442121 - 2⁷ = 1241131441993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241131442129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944543820 + ... + 944545133.

It is an arithmetic number, because the mean of its divisors is an integer number (151441964479).

Almost surely, 2^{1241131442121} is an apocalyptic number.

It is an amenable number.

1241131442121 is a deficient number, since it is larger than the sum of its proper divisors (576172131627).

1241131442121 is a wasteful number, since it uses less digits than its factorization.

1241131442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889089032 (or 1889089029 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 1241131442121 its reverse (1212441311421), we get a palindrome (2453572753542).

The spelling of 1241131442121 in words is "one trillion, two hundred forty-one billion, one hundred thirty-one million, four hundred forty-two thousand, one hundred twenty-one".