120162287 has 4 divisors (see below), whose sum is σ = 137328336. Its totient is φ = 102996240.

The previous prime is 120162271. The next prime is 120162299. The reversal of 120162287 is 782261021.

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

It is a cyclic number.

It is not a de Polignac number, because 120162287 - 2⁴ = 120162271 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 (120162227) 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 3 ways as a sum of consecutive naturals, for example, 8583014 + ... + 8583027.

It is an arithmetic number, because the mean of its divisors is an integer number (34332084).

Almost surely, 2^120162287 is an apocalyptic number.

120162287 is a deficient number, since it is larger than the sum of its proper divisors (17166049).

120162287 is an equidigital number, since it uses as much as digits as its factorization.

120162287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17166048.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 120162287 is about 10961.8560016085. The cubic root of 120162287 is about 493.4646670160.

The spelling of 120162287 in words is "one hundred twenty million, one hundred sixty-two thousand, two hundred eighty-seven".