108100001 has 6 divisors (see below), whose sum is σ = 109235430. Its totient is φ = 106976256.

The previous prime is 108099973. The next prime is 108100009. The reversal of 108100001 is 100001801.

It can be written as a sum of positive squares in 3 ways, for example, as 4080400 + 104019601 = 2020^2 + 10199^2 .

It is not a de Polignac number, because 108100001 - 2¹⁸ = 107837857 is a prime.

It is a super-2 number, since 2×108100001² = 23371220432400002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108100009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3665 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (18205905).

Almost surely, 2^108100001 is an apocalyptic number.

It is an amenable number.

108100001 is a deficient number, since it is larger than the sum of its proper divisors (1135429).

108100001 is an frugal number, since it uses more digits than its factorization.

108100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683 (or 11586 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 108100001 is about 10397.1150325463. The cubic root of 108100001 is about 476.3672532969.

Adding to 108100001 its reverse (100001801), we get a palindrome (208101802).

The spelling of 108100001 in words is "one hundred eight million, one hundred thousand, one".