870987103 has 8 divisors (see below), whose sum is σ = 1015728800. Its totient is φ = 746560080.

The previous prime is 870987079. The next prime is 870987109. The reversal of 870987103 is 301789078.

It is not a de Polignac number, because 870987103 - 2⁵ = 870987071 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 870987103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870987109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269318 + ... + 1270003.

It is an arithmetic number, because the mean of its divisors is an integer number (126966100).

Almost surely, 2^870987103 is an apocalyptic number.

870987103 is a deficient number, since it is larger than the sum of its proper divisors (144741697).

870987103 is an equidigital number, since it uses as much as digits as its factorization.

870987103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539342 (or 2539328 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 870987103 is about 29512.4906268515. The cubic root of 870987103 is about 955.0011797908.

The spelling of 870987103 in words is "eight hundred seventy million, nine hundred eighty-seven thousand, one hundred three".