108601851 has 4 divisors (see below), whose sum is σ = 144802472. Its totient is φ = 72401232.

The previous prime is 108601849. The next prime is 108601859. The reversal of 108601851 is 158106801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 108601851 - 2¹ = 108601849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108601859) 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, 18100306 + ... + 18100311.

It is an arithmetic number, because the mean of its divisors is an integer number (36200618).

Almost surely, 2^108601851 is an apocalyptic number.

108601851 is a deficient number, since it is larger than the sum of its proper divisors (36200621).

108601851 is an equidigital number, since it uses as much as digits as its factorization.

108601851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36200620.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 108601851 is about 10421.2211856385. The cubic root of 108601851 is about 477.1032875407.

The spelling of 108601851 in words is "one hundred eight million, six hundred one thousand, eight hundred fifty-one".