120150605 has 4 divisors (see below), whose sum is σ = 144180732. Its totient is φ = 96120480.

The previous prime is 120150601. The next prime is 120150607. The reversal of 120150605 is 506051021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30980356 + 89170249 = 5566^2 + 9443^2 .

It is not a de Polignac number, because 120150605 - 2² = 120150601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120150601) 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, 12015056 + ... + 12015065.

It is an arithmetic number, because the mean of its divisors is an integer number (36045183).

Almost surely, 2^120150605 is an apocalyptic number.

It is an amenable number.

120150605 is a deficient number, since it is larger than the sum of its proper divisors (24030127).

120150605 is an equidigital number, since it uses as much as digits as its factorization.

120150605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030126.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 120150605 is about 10961.3231409351. The cubic root of 120150605 is about 493.4486751959.

The spelling of 120150605 in words is "one hundred twenty million, one hundred fifty thousand, six hundred five".