1244104004 has 24 divisors (see below), whose sum is σ = 2557809408. Its totient is φ = 522001440.

The previous prime is 1244104003. The next prime is 1244104027. The reversal of 1244104004 is 4004014421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1244104003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086932 + ... + 1088075.

It is an arithmetic number, because the mean of its divisors is an integer number (106575392).

Almost surely, 2^1244104004 is an apocalyptic number.

It is an amenable number.

1244104004 is an abundant number, since it is smaller than the sum of its proper divisors (1313705404).

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

1244104004 is a wasteful number, since it uses less digits than its factorization.

1244104004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175035 (or 2175033 counting only the distinct ones).

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

The square root of 1244104004 is about 35271.8585277272. The cubic root of 1244104004 is about 1075.5210033388.

Adding to 1244104004 its reverse (4004014421), we get a palindrome (5248118425).

The spelling of 1244104004 in words is "one billion, two hundred forty-four million, one hundred four thousand, four".