1244334421 has 16 divisors (see below), whose sum is σ = 1386217728. Its totient is φ = 1107475200.

The previous prime is 1244334409. The next prime is 1244334437.

1244334421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1244334421 - 2²³ = 1235945813 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 1244334421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244334401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104356 + ... + 115666.

It is an arithmetic number, because the mean of its divisors is an integer number (86638608).

Almost surely, 2^1244334421 is an apocalyptic number.

1244334421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1244334421 is a deficient number, since it is larger than the sum of its proper divisors (141883307).

1244334421 is a wasteful number, since it uses less digits than its factorization.

1244334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532.

The product of its digits is 9216, while the sum is 28.

The square root of 1244334421 is about 35275.1246773133. The cubic root of 1244334421 is about 1075.5873973124.

It can be divided in two parts, 12443 and 34421, that added together give a palindrome (46864).

The spelling of 1244334421 in words is "one billion, two hundred forty-four million, three hundred thirty-four thousand, four hundred twenty-one".