1244127960 has 384 divisors, whose sum is σ = 4507176960. Its totient is φ = 296524800.

The previous prime is 1244127947. The next prime is 1244127967. The reversal of 1244127960 is 697214421.

It is a happy number.

1244127960 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244127967) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9497095 + ... + 9497225.

It is an arithmetic number, because the mean of its divisors is an integer number (11737440).

Almost surely, 2^1244127960 is an apocalyptic number.

1244127960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244127960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253588480).

1244127960 is an abundant number, since it is smaller than the sum of its proper divisors (3263049000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244127960 is a wasteful number, since it uses less digits than its factorization.

1244127960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1244127960 is about 35272.1981169306. The cubic root of 1244127960 is about 1075.5279065708.

It can be divided in two parts, 12441 and 27960, that added together give a square (40401 = 201²).

The spelling of 1244127960 in words is "one billion, two hundred forty-four million, one hundred twenty-seven thousand, nine hundred sixty".