1244120241 has 48 divisors (see below), whose sum is σ = 2145228288. Its totient is φ = 635040000.

The previous prime is 1244120237. The next prime is 1244120243. The reversal of 1244120241 is 1420214421.

It is not a de Polignac number, because 1244120241 - 2² = 1244120237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1244120243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48741 + ... + 69741.

It is an arithmetic number, because the mean of its divisors is an integer number (44692256).

Almost surely, 2^1244120241 is an apocalyptic number.

It is an amenable number.

1244120241 is a deficient number, since it is larger than the sum of its proper divisors (901108047).

1244120241 is a wasteful number, since it uses less digits than its factorization.

1244120241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062 (or 21055 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1244120241 is about 35272.0886963049. The cubic root of 1244120241 is about 1075.5256822505.

Adding to 1244120241 its reverse (1420214421), we get a palindrome (2664334662).

The spelling of 1244120241 in words is "one billion, two hundred forty-four million, one hundred twenty thousand, two hundred forty-one".