105317870 has 32 divisors (see below), whose sum is σ = 219276288. Its totient is φ = 35671968.

The previous prime is 105317869. The next prime is 105317887. The reversal of 105317870 is 78713501.

It is a super-2 number, since 2×105317870² = 22183707482673800, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3254 + ... + 14873.

It is an arithmetic number, because the mean of its divisors is an integer number (6852384).

Almost surely, 2^105317870 is an apocalyptic number.

105317870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105317870 is an abundant number, since it is smaller than the sum of its proper divisors (113958418).

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

105317870 is a wasteful number, since it uses less digits than its factorization.

105317870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18224.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 105317870 is about 10262.4495126651. The cubic root of 105317870 is about 472.2449861742.

The spelling of 105317870 in words is "one hundred five million, three hundred seventeen thousand, eight hundred seventy".