120008169 has 8 divisors (see below), whose sum is σ = 177789920. Its totient is φ = 80005428.

The previous prime is 120008129. The next prime is 120008171. The reversal of 120008169 is 961800021.

It is not a de Polignac number, because 120008169 - 2²⁰ = 118959593 is a prime.

It is a super-2 number, since 2×120008169² = 28803921253465122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4444747 = 120008169 / (1 + 2 + 0 + 0 + 0 + 8 + 1 + 6 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120008129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222347 + ... + 2222400.

It is an arithmetic number, because the mean of its divisors is an integer number (22223740).

Almost surely, 2^120008169 is an apocalyptic number.

It is an amenable number.

120008169 is a deficient number, since it is larger than the sum of its proper divisors (57781751).

120008169 is an equidigital number, since it uses as much as digits as its factorization.

120008169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444756 (or 4444750 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 120008169 is about 10954.8240058889. The cubic root of 120008169 is about 493.2536071046.

The spelling of 120008169 in words is "one hundred twenty million, eight thousand, one hundred sixty-nine".