120227987 has 4 divisors (see below), whose sum is σ = 131157816. Its totient is φ = 109298160.

The previous prime is 120227959. The next prime is 120228019. The reversal of 120227987 is 789722021.

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 120227987 - 2¹² = 120223891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120227987.

It is not an unprimeable number, because it can be changed into a prime (120229987) 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, 5464898 + ... + 5464919.

It is an arithmetic number, because the mean of its divisors is an integer number (32789454).

Almost surely, 2^120227987 is an apocalyptic number.

120227987 is a deficient number, since it is larger than the sum of its proper divisors (10929829).

120227987 is a wasteful number, since it uses less digits than its factorization.

120227987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10929828.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 120227987 is about 10964.8523473871. The cubic root of 120227987 is about 493.5545863034.

The spelling of 120227987 in words is "one hundred twenty million, two hundred twenty-seven thousand, nine hundred eighty-seven".