1244401032 has 64 divisors (see below), whose sum is σ = 3558297600. Its totient is φ = 355256640.

The previous prime is 1244401013. The next prime is 1244401033. The reversal of 1244401032 is 2301044421.

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 (1244401033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293407 + ... + 297617.

It is an arithmetic number, because the mean of its divisors is an integer number (55598400).

Almost surely, 2^1244401032 is an apocalyptic number.

1244401032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244401032 is an abundant number, since it is smaller than the sum of its proper divisors (2313896568).

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

1244401032 is a wasteful number, since it uses less digits than its factorization.

1244401032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986 (or 5982 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1244401032 is about 35276.0688285982. The cubic root of 1244401032 is about 1075.6065895468.

Adding to 1244401032 its reverse (2301044421), we get a palindrome (3545445453).

The spelling of 1244401032 in words is "one billion, two hundred forty-four million, four hundred one thousand, thirty-two".