1244121411 has 16 divisors (see below), whose sum is σ = 1834714784. Its totient is φ = 744920064.

The previous prime is 1244121383. The next prime is 1244121479. The reversal of 1244121411 is 1141214421.

It is not a de Polignac number, because 1244121411 - 2⁷ = 1244121283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244121511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429646 + ... + 432531.

It is an arithmetic number, because the mean of its divisors is an integer number (114669674).

Almost surely, 2^1244121411 is an apocalyptic number.

1244121411 is a deficient number, since it is larger than the sum of its proper divisors (590593373).

1244121411 is a wasteful number, since it uses less digits than its factorization.

1244121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862230.

The product of its digits is 256, while the sum is 21.

The square root of 1244121411 is about 35272.1052816528. The cubic root of 1244121411 is about 1075.5260194003.

Adding to 1244121411 its reverse (1141214421), we get a palindrome (2385335832).

The spelling of 1244121411 in words is "one billion, two hundred forty-four million, one hundred twenty-one thousand, four hundred eleven".