100609959 has 8 divisors (see below), whose sum is σ = 141207040. Its totient is φ = 63543096.

The previous prime is 100609937. The next prime is 100609969. The reversal of 100609959 is 959906001.

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

It is not a de Polignac number, because 100609959 - 2¹² = 100605863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100609909) 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, 882487 + ... + 882600.

It is an arithmetic number, because the mean of its divisors is an integer number (17650880).

Almost surely, 2^100609959 is an apocalyptic number.

100609959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

100609959 is a deficient number, since it is larger than the sum of its proper divisors (40597081).

100609959 is a wasteful number, since it uses less digits than its factorization.

100609959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765109.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 100609959 is about 10030.4515850484. The cubic root of 100609959 is about 465.1006973504.

The spelling of 100609959 in words is "one hundred million, six hundred nine thousand, nine hundred fifty-nine".