1048718587 has 4 divisors (see below), whose sum is σ = 1198535536. Its totient is φ = 898901640.

The previous prime is 1048718563. The next prime is 1048718591. The reversal of 1048718587 is 7858178401.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1048718587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1048718587.

It is not an unprimeable number, because it can be changed into a prime (1048718597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74908464 + ... + 74908477.

It is an arithmetic number, because the mean of its divisors is an integer number (299633884).

Almost surely, 2^1048718587 is an apocalyptic number.

1048718587 is a deficient number, since it is larger than the sum of its proper divisors (149816949).

1048718587 is an equidigital number, since it uses as much as digits as its factorization.

1048718587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149816948.

The product of its (nonzero) digits is 501760, while the sum is 49.

The square root of 1048718587 is about 32383.9248238999. The cubic root of 1048718587 is about 1015.9827207237.

The spelling of 1048718587 in words is "one billion, forty-eight million, seven hundred eighteen thousand, five hundred eighty-seven".