101870857 has 8 divisors (see below), whose sum is σ = 111408480. Its totient is φ = 92379360.

The previous prime is 101870831. The next prime is 101870893. The reversal of 101870857 is 758078101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101870857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101870807) 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, 6823 + ... + 15820.

It is an arithmetic number, because the mean of its divisors is an integer number (13926060).

Almost surely, 2^101870857 is an apocalyptic number.

It is an amenable number.

101870857 is a deficient number, since it is larger than the sum of its proper divisors (9537623).

101870857 is a wasteful number, since it uses less digits than its factorization.

101870857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23063.

The product of its (nonzero) digits is 15680, while the sum is 37.

The square root of 101870857 is about 10093.1093821478. The cubic root of 101870857 is about 467.0356004878.

The spelling of 101870857 in words is "one hundred one million, eight hundred seventy thousand, eight hundred fifty-seven".