870103 has 4 divisors (see below), whose sum is σ = 937048. Its totient is φ = 803160.

The previous prime is 870097. The next prime is 870109. The reversal of 870103 is 301078.

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

It is an interprime number because it is at equal distance from previous prime (870097) and next prime (870109).

It is a cyclic number.

It is not a de Polignac number, because 870103 - 2¹⁷ = 739031 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

870103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33453 + ... + 33478.

It is an arithmetic number, because the mean of its divisors is an integer number (234262).

2⁸⁷⁰¹⁰³ is an apocalyptic number.

870103 is a deficient number, since it is larger than the sum of its proper divisors (66945).

870103 is a wasteful number, since it uses less digits than its factorization.

870103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66944.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 870103 is about 932.7931174703. The cubic root of 870103 is about 95.4677942993.

The spelling of 870103 in words is "eight hundred seventy thousand, one hundred three".