106190387 has 4 divisors (see below), whose sum is σ = 106463760. Its totient is φ = 105917016.

The previous prime is 106190351. The next prime is 106190389. The reversal of 106190387 is 783091601.

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 106190387 - 2¹² = 106186291 is a prime.

It is a super-2 number, since 2×106190387² = 22552796582419538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106190389) 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, 136103 + ... + 136880.

It is an arithmetic number, because the mean of its divisors is an integer number (26615940).

Almost surely, 2^106190387 is an apocalyptic number.

106190387 is a deficient number, since it is larger than the sum of its proper divisors (273373).

106190387 is an equidigital number, since it uses as much as digits as its factorization.

106190387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273372.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 106190387 is about 10304.8720030867. The cubic root of 106190387 is about 473.5455224115.

The spelling of 106190387 in words is "one hundred six million, one hundred ninety thousand, three hundred eighty-seven".