101206870 has 16 divisors (see below), whose sum is σ = 182334240. Its totient is φ = 40446784.

The previous prime is 101206867. The next prime is 101206883. The reversal of 101206870 is 78602101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (11395890).

Almost surely, 2^101206870 is an apocalyptic number.

101206870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101206870 is a deficient number, since it is larger than the sum of its proper divisors (81127370).

101206870 is a wasteful number, since it uses less digits than its factorization.

101206870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 101206870 is about 10060.1625235381. The cubic root of 101206870 is about 466.0186862775.

Adding to 101206870 its reverse (78602101), we get a palindrome (179808971).

The spelling of 101206870 in words is "one hundred one million, two hundred six thousand, eight hundred seventy".