1241126911 has 4 divisors (see below), whose sum is σ = 1306449400. Its totient is φ = 1175804424.

The previous prime is 1241126899. The next prime is 1241126941. The reversal of 1241126911 is 1196211421.

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 1241126911 - 2⁵ = 1241126879 is a prime.

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 1241126911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241126941) 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, 32661216 + ... + 32661253.

It is an arithmetic number, because the mean of its divisors is an integer number (326612350).

Almost surely, 2^1241126911 is an apocalyptic number.

1241126911 is a deficient number, since it is larger than the sum of its proper divisors (65322489).

1241126911 is an equidigital number, since it uses as much as digits as its factorization.

1241126911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65322488.

The product of its digits is 864, while the sum is 28.

The square root of 1241126911 is about 35229.6311504960. The cubic root of 1241126911 is about 1074.6624246697.

The spelling of 1241126911 in words is "one billion, two hundred forty-one million, one hundred twenty-six thousand, nine hundred eleven".