100820659 has 8 divisors (see below), whose sum is σ = 107012448. Its totient is φ = 94657920.

The previous prime is 100820647. The next prime is 100820677. The reversal of 100820659 is 956028001.

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 100820659 - 2⁹ = 100820147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100820659.

It is not an unprimeable number, because it can be changed into a prime (100820609) 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, 114 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (13376556).

Almost surely, 2^100820659 is an apocalyptic number.

100820659 is a deficient number, since it is larger than the sum of its proper divisors (6191789).

100820659 is a wasteful number, since it uses less digits than its factorization.

100820659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 100820659 is about 10040.9491085255. The cubic root of 100820659 is about 465.4251463025.

The spelling of 100820659 in words is "one hundred million, eight hundred twenty thousand, six hundred fifty-nine".