100871239 has 8 divisors (see below), whose sum is σ = 115478048. Its totient is φ = 86313600.

The previous prime is 100871237. The next prime is 100871263. The reversal of 100871239 is 932178001.

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

It is a cyclic number.

It is not a de Polignac number, because 100871239 - 2¹ = 100871237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100871239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100871237) by changing a digit.

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, 7782 + ... + 16195.

It is an arithmetic number, because the mean of its divisors is an integer number (14434756).

Almost surely, 2^100871239 is an apocalyptic number.

100871239 is a deficient number, since it is larger than the sum of its proper divisors (14606809).

100871239 is an equidigital number, since it uses as much as digits as its factorization.

100871239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24585.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 100871239 is about 10043.4674789138. The cubic root of 100871239 is about 465.5029652353.

The spelling of 100871239 in words is "one hundred million, eight hundred seventy-one thousand, two hundred thirty-nine".