1004001244 has 24 divisors (see below), whose sum is σ = 1837301760. Its totient is φ = 479151024.

The previous prime is 1004001239. The next prime is 1004001259. The reversal of 1004001244 is 4421004001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32677 + ... + 55459.

It is an arithmetic number, because the mean of its divisors is an integer number (76554240).

Almost surely, 2^1004001244 is an apocalyptic number.

It is an amenable number.

1004001244 is a deficient number, since it is larger than the sum of its proper divisors (833300516).

1004001244 is a wasteful number, since it uses less digits than its factorization.

1004001244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289 (or 23287 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1004001244 is about 31685.9786656496. The cubic root of 1004001244 is about 1001.3319730601.

Adding to 1004001244 its reverse (4421004001), we get a palindrome (5425005245).

The spelling of 1004001244 in words is "one billion, four million, one thousand, two hundred forty-four".