100368605 has 8 divisors (see below), whose sum is σ = 123697752. Its totient is φ = 78124608.

The previous prime is 100368589. The next prime is 100368637. The reversal of 100368605 is 506863001.

It can be written as a sum of positive squares in 4 ways, for example, as 35259844 + 65108761 = 5938^2 + 8069^2 .

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 100368605 - 2⁴ = 100368589 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 271082 + ... + 271451.

It is an arithmetic number, because the mean of its divisors is an integer number (15462219).

Almost surely, 2^100368605 is an apocalyptic number.

It is an amenable number.

100368605 is a deficient number, since it is larger than the sum of its proper divisors (23329147).

100368605 is an equidigital number, since it uses as much as digits as its factorization.

100368605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542575.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 100368605 is about 10018.4132975237. The cubic root of 100368605 is about 464.7284883533.

The spelling of 100368605 in words is "one hundred million, three hundred sixty-eight thousand, six hundred five".