16120387 has 4 divisors (see below), whose sum is σ = 16128616. Its totient is φ = 16112160.

The previous prime is 16120381. The next prime is 16120397. The reversal of 16120387 is 78302161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16120387 - 2¹⁵ = 16087619 is a prime.

It is a Duffinian number.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (16120381) 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, 712 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (4032154).

Almost surely, 2^16120387 is an apocalyptic number.

16120387 is a deficient number, since it is larger than the sum of its proper divisors (8229).

16120387 is an equidigital number, since it uses as much as digits as its factorization.

16120387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 16120387 is about 4015.0201742955. The cubic root of 16120387 is about 252.6146236435.

The spelling of 16120387 in words is "sixteen million, one hundred twenty thousand, three hundred eighty-seven".