101299859 has 4 divisors (see below), whose sum is σ = 101865960. Its totient is φ = 100733760.

The previous prime is 101299831. The next prime is 101299901. The reversal of 101299859 is 958992101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101299859 - 2²⁴ = 84522643 is a prime.

It is a super-2 number, since 2×101299859² = 20523322866839762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101299819) 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 3 ways as a sum of consecutive naturals, for example, 282782 + ... + 283139.

It is an arithmetic number, because the mean of its divisors is an integer number (25466490).

Almost surely, 2^101299859 is an apocalyptic number.

101299859 is a deficient number, since it is larger than the sum of its proper divisors (566101).

101299859 is an equidigital number, since it uses as much as digits as its factorization.

101299859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566100.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 101299859 is about 10064.7831074495. The cubic root of 101299859 is about 466.1613687734.

The spelling of 101299859 in words is "one hundred one million, two hundred ninety-nine thousand, eight hundred fifty-nine".