108905901 has 8 divisors (see below), whose sum is σ = 156377760. Its totient is φ = 67018992.

The previous prime is 108905899. The next prime is 108905903. The reversal of 108905901 is 109509801.

It is an interprime number because it is at equal distance from previous prime (108905899) and next prime (108905903).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108905901 - 2¹ = 108905899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108905903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396191 + ... + 1396268.

It is an arithmetic number, because the mean of its divisors is an integer number (19547220).

Almost surely, 2^108905901 is an apocalyptic number.

It is an amenable number.

108905901 is a deficient number, since it is larger than the sum of its proper divisors (47471859).

108905901 is a wasteful number, since it uses less digits than its factorization.

108905901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792475.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 108905901 is about 10435.7990110964. The cubic root of 108905901 is about 477.5481175527.

The spelling of 108905901 in words is "one hundred eight million, nine hundred five thousand, nine hundred one".