1244024141 has 4 divisors (see below), whose sum is σ = 1284153984. Its totient is φ = 1203894300.

The previous prime is 1244024137. The next prime is 1244024219. The reversal of 1244024141 is 1414204421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1414204421 = 7 ⋅202029203.

It is not a de Polignac number, because 1244024141 - 2² = 1244024137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244024641) 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, 20064875 + ... + 20064936.

It is an arithmetic number, because the mean of its divisors is an integer number (321038496).

Almost surely, 2^1244024141 is an apocalyptic number.

It is an amenable number.

1244024141 is a deficient number, since it is larger than the sum of its proper divisors (40129843).

1244024141 is an equidigital number, since it uses as much as digits as its factorization.

1244024141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40129842.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1244024141 is about 35270.7264030669. The cubic root of 1244024141 is about 1075.4979891396.

Adding to 1244024141 its reverse (1414204421), we get a palindrome (2658228562).

The spelling of 1244024141 in words is "one billion, two hundred forty-four million, twenty-four thousand, one hundred forty-one".