1240009104 has 40 divisors (see below), whose sum is σ = 3391791840. Its totient is φ = 389022208.

The previous prime is 1240009091. The next prime is 1240009139. The reversal of 1240009104 is 4019000421.

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, 758994 + ... + 760625.

It is an arithmetic number, because the mean of its divisors is an integer number (84794796).

Almost surely, 2^1240009104 is an apocalyptic number.

It is an amenable number.

1240009104 is an abundant number, since it is smaller than the sum of its proper divisors (2151782736).

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

1240009104 is a wasteful number, since it uses less digits than its factorization.

1240009104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519647 (or 1519641 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1240009104 is about 35213.7629911942. The cubic root of 1240009104 is about 1074.3397002204.

Adding to 1240009104 its reverse (4019000421), we get a palindrome (5259009525).

The spelling of 1240009104 in words is "one billion, two hundred forty million, nine thousand, one hundred four".