1244401004 has 48 divisors (see below), whose sum is σ = 2781305856. Its totient is φ = 473001600.

The previous prime is 1244400973. The next prime is 1244401009. The reversal of 1244401004 is 4001044421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1244401009) 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, 36644 + ... + 61899.

It is an arithmetic number, because the mean of its divisors is an integer number (57943872).

Almost surely, 2^1244401004 is an apocalyptic number.

1244401004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1244401004 is an abundant number, since it is smaller than the sum of its proper divisors (1536904852).

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

1244401004 is a wasteful number, since it uses less digits than its factorization.

1244401004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98606 (or 98604 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1244401004 is about 35276.0684317286. The cubic root of 1244401004 is about 1075.6065814795.

Adding to 1244401004 its reverse (4001044421), we get a palindrome (5245445425).

The spelling of 1244401004 in words is "one billion, two hundred forty-four million, four hundred one thousand, four".