108901001 has 4 divisors (see below), whose sum is σ = 118801104. Its totient is φ = 99000900.

The previous prime is 108900991. The next prime is 108901057. The reversal of 108901001 is 100109801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100109801 = 11 ⋅9100891.

It is a cyclic number.

It is not a de Polignac number, because 108901001 - 2⁶ = 108900937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108901081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4950035 + ... + 4950056.

It is an arithmetic number, because the mean of its divisors is an integer number (29700276).

Almost surely, 2^108901001 is an apocalyptic number.

108901001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108901001 is a deficient number, since it is larger than the sum of its proper divisors (9900103).

108901001 is an equidigital number, since it uses as much as digits as its factorization.

108901001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900102.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 108901001 is about 10435.5642396566. The cubic root of 108901001 is about 477.5409553424.

It can be divided in two parts, 108 and 901001, that added together give a palindrome (901109).

The spelling of 108901001 in words is "one hundred eight million, nine hundred one thousand, one".