105812870 has 16 divisors (see below), whose sum is σ = 191606688. Its totient is φ = 42071040.

The previous prime is 105812867. The next prime is 105812873. The reversal of 105812870 is 78218501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105812867) and next prime (105812873).

It is a super-2 number, since 2×105812870² = 22392726915273800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105812873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30011 + ... + 33350.

It is an arithmetic number, because the mean of its divisors is an integer number (11975418).

Almost surely, 2^105812870 is an apocalyptic number.

105812870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105812870 is a deficient number, since it is larger than the sum of its proper divisors (85793818).

105812870 is a wasteful number, since it uses less digits than its factorization.

105812870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63535.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 105812870 is about 10286.5382904065. The cubic root of 105812870 is about 472.9836895269.

The spelling of 105812870 in words is "one hundred five million, eight hundred twelve thousand, eight hundred seventy".