1021104044 has 24 divisors (see below), whose sum is σ = 1869557760. Its totient is φ = 487062224.

The previous prime is 1021104013. The next prime is 1021104089. The reversal of 1021104044 is 4404011201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20747 + ... + 49725.

It is an arithmetic number, because the mean of its divisors is an integer number (77898240).

Almost surely, 2^1021104044 is an apocalyptic number.

It is an amenable number.

1021104044 is a deficient number, since it is larger than the sum of its proper divisors (848453716).

1021104044 is a wasteful number, since it uses less digits than its factorization.

1021104044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29389 (or 29387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1021104044 is about 31954.7186499897. The cubic root of 1021104044 is about 1006.9857667588.

Adding to 1021104044 its reverse (4404011201), we get a palindrome (5425115245).

The spelling of 1021104044 in words is "one billion, twenty-one million, one hundred four thousand, forty-four".