100089005 has 8 divisors (see below), whose sum is σ = 124248600. Its totient is φ = 77310016.

The previous prime is 100088999. The next prime is 100089019. The reversal of 100089005 is 500980001.

It can be written as a sum of positive squares in 4 ways, for example, as 39778249 + 60310756 = 6307^2 + 7766^2 .

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 100089005 - 2¹² = 100084909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344990 + ... + 345279.

It is an arithmetic number, because the mean of its divisors is an integer number (15531075).

Almost surely, 2^100089005 is an apocalyptic number.

It is an amenable number.

100089005 is a deficient number, since it is larger than the sum of its proper divisors (24159595).

100089005 is an equidigital number, since it uses as much as digits as its factorization.

100089005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690303.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 100089005 is about 10004.4492602042. The cubic root of 100089005 is about 464.2965507305.

The spelling of 100089005 in words is "one hundred million, eighty-nine thousand, five".