1002040104 has 32 divisors (see below), whose sum is σ = 2697801120. Its totient is φ = 308319936.

The previous prime is 1002040079. The next prime is 1002040147. The reversal of 1002040104 is 4010402001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1002040104.

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, 1605522 + ... + 1606145.

It is an arithmetic number, because the mean of its divisors is an integer number (84306285).

Almost surely, 2^1002040104 is an apocalyptic number.

It is an amenable number.

1002040104 is an abundant number, since it is smaller than the sum of its proper divisors (1695761016).

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

1002040104 is a wasteful number, since it uses less digits than its factorization.

1002040104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211689 (or 3211685 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1002040104 is about 31655.0170431166. The cubic root of 1002040104 is about 1000.6795727429.

Adding to 1002040104 its reverse (4010402001), we get a palindrome (5012442105).

The spelling of 1002040104 in words is "one billion, two million, forty thousand, one hundred four".