1021441104 has 100 divisors (see below), whose sum is σ = 2965675636. Its totient is φ = 339406848.

The previous prime is 1021441097. The next prime is 1021441111. The reversal of 1021441104 is 4011441201.

1021441104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021441097) and next prime (1021441111).

It can be written as a sum of positive squares in 2 ways, for example, as 177422400 + 844018704 = 13320^2 + 29052^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 482352 + ... + 484464.

Almost surely, 2^1021441104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021441104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482837818).

1021441104 is an abundant number, since it is smaller than the sum of its proper divisors (1944234532).

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

1021441104 is a wasteful number, since it uses less digits than its factorization.

1021441104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1021441104 is about 31959.9922402994. The cubic root of 1021441104 is about 1007.0965544515.

Adding to 1021441104 its reverse (4011441201), we get a palindrome (5032882305).

The spelling of 1021441104 in words is "one billion, twenty-one million, four hundred forty-one thousand, one hundred four".