106565387 has 4 divisors (see below), whose sum is σ = 108371640. Its totient is φ = 104759136.

The previous prime is 106565369. The next prime is 106565399. The reversal of 106565387 is 783565601.

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 106565387 - 2¹⁸ = 106303243 is a prime.

It is a super-2 number, since 2×106565387² = 22712363412919538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106565317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903038 + ... + 903155.

It is an arithmetic number, because the mean of its divisors is an integer number (27092910).

Almost surely, 2^106565387 is an apocalyptic number.

106565387 is a deficient number, since it is larger than the sum of its proper divisors (1806253).

106565387 is an equidigital number, since it uses as much as digits as its factorization.

106565387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806252.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 106565387 is about 10323.0512446660. The cubic root of 106565387 is about 474.1022926635.

The spelling of 106565387 in words is "one hundred six million, five hundred sixty-five thousand, three hundred eighty-seven".