1244063121 has 16 divisors (see below), whose sum is σ = 1915261824. Its totient is φ = 703563264.

The previous prime is 1244063087. The next prime is 1244063129. The reversal of 1244063121 is 1213604421.

It is not a de Polignac number, because 1244063121 - 2¹⁴ = 1244046737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244063091 and 1244063100.

It is not an unprimeable number, because it can be changed into a prime (1244063129) 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, 303330 + ... + 307403.

It is an arithmetic number, because the mean of its divisors is an integer number (119703864).

Almost surely, 2^1244063121 is an apocalyptic number.

It is an amenable number.

1244063121 is a deficient number, since it is larger than the sum of its proper divisors (671198703).

1244063121 is an equidigital number, since it uses as much as digits as its factorization.

1244063121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610840.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1244063121 is about 35271.2789816304. The cubic root of 1244063121 is about 1075.5092221676.

Adding to 1244063121 its reverse (1213604421), we get a palindrome (2457667542).

The spelling of 1244063121 in words is "one billion, two hundred forty-four million, sixty-three thousand, one hundred twenty-one".