1241131105 has 4 divisors (see below), whose sum is σ = 1489357332. Its totient is φ = 992904880.

The previous prime is 1241131103. The next prime is 1241131109. The reversal of 1241131105 is 5011311421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5011311421 = 71 ⋅70581851.

It can be written as a sum of positive squares in 2 ways, for example, as 893830609 + 347300496 = 29897^2 + 18636^2 .

It is not a de Polignac number, because 1241131105 - 2¹ = 1241131103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241131103) 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, 124113106 + ... + 124113115.

It is an arithmetic number, because the mean of its divisors is an integer number (372339333).

Almost surely, 2^1241131105 is an apocalyptic number.

It is an amenable number.

1241131105 is a deficient number, since it is larger than the sum of its proper divisors (248226227).

1241131105 is an equidigital number, since it uses as much as digits as its factorization.

1241131105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248226226.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1241131105 is about 35229.6906742026. The cubic root of 1241131105 is about 1074.6636351635.

Adding to 1241131105 its reverse (5011311421), we get a palindrome (6252442526).

The spelling of 1241131105 in words is "one billion, two hundred forty-one million, one hundred thirty-one thousand, one hundred five".