101872859 has 8 divisors (see below), whose sum is σ = 112700160. Its totient is φ = 91306600.

The previous prime is 101872843. The next prime is 101872861. The reversal of 101872859 is 958278101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101872859 - 2⁴ = 101872843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101872879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64439 + ... + 66000.

It is an arithmetic number, because the mean of its divisors is an integer number (14087520).

Almost surely, 2^101872859 is an apocalyptic number.

101872859 is a deficient number, since it is larger than the sum of its proper divisors (10827301).

101872859 is a wasteful number, since it uses less digits than its factorization.

101872859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130521.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 101872859 is about 10093.2085582336. The cubic root of 101872859 is about 467.0386599141.

The spelling of 101872859 in words is "one hundred one million, eight hundred seventy-two thousand, eight hundred fifty-nine".