100897105 has 16 divisors (see below), whose sum is σ = 124390224. Its totient is φ = 78520320.

The previous prime is 100897103. The next prime is 100897123. The reversal of 100897105 is 501798001.

It can be written as a sum of positive squares in 8 ways, for example, as 7349521 + 93547584 = 2711^2 + 9672^2 .

It is not a de Polignac number, because 100897105 - 2¹ = 100897103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100897103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117859 + ... + 118711.

It is an arithmetic number, because the mean of its divisors is an integer number (7774389).

Almost surely, 2^100897105 is an apocalyptic number.

It is an amenable number.

100897105 is a deficient number, since it is larger than the sum of its proper divisors (23493119).

100897105 is an equidigital number, since it uses as much as digits as its factorization.

100897105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 100897105 is about 10044.7550990554. The cubic root of 100897105 is about 465.5427508431.

The spelling of 100897105 in words is "one hundred million, eight hundred ninety-seven thousand, one hundred five".