1002101044 has 48 divisors (see below), whose sum is σ = 2089236352. Its totient is φ = 411599232.

The previous prime is 1002101041. The next prime is 1002101069. The reversal of 1002101044 is 4401012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62194 + ... + 76630.

Almost surely, 2^1002101044 is an apocalyptic number.

1002101044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002101044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044618176).

1002101044 is an abundant number, since it is smaller than the sum of its proper divisors (1087135308).

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

1002101044 is a wasteful number, since it uses less digits than its factorization.

1002101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552 (or 14550 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1002101044 is about 31655.9795931195. The cubic root of 1002101044 is about 1000.6998580844.

Adding to 1002101044 its reverse (4401012001), we get a palindrome (5403113045).

The spelling of 1002101044 in words is "one billion, two million, one hundred one thousand, forty-four".