1002104556 has 24 divisors (see below), whose sum is σ = 2345723184. Its totient is φ = 332966400.

The previous prime is 1002104533. The next prime is 1002104561. The reversal of 1002104556 is 6554012001.

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, 129645 + ... + 137156.

It is an arithmetic number, because the mean of its divisors is an integer number (97738466).

Almost surely, 2^1002104556 is an apocalyptic number.

It is an amenable number.

1002104556 is an abundant number, since it is smaller than the sum of its proper divisors (1343618628).

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

1002104556 is a wasteful number, since it uses less digits than its factorization.

1002104556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267121 (or 267119 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1002104556 is about 31656.0350644233. The cubic root of 1002104556 is about 1000.7010271128.

Adding to 1002104556 its reverse (6554012001), we get a palindrome (7556116557).

The spelling of 1002104556 in words is "one billion, two million, one hundred four thousand, five hundred fifty-six".