106718387 has 4 divisors (see below), whose sum is σ = 107917560. Its totient is φ = 105519216.

The previous prime is 106718369. The next prime is 106718407. The reversal of 106718387 is 783817601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783817601 = 7 ⋅111973943.

It is a cyclic number.

It is not a de Polignac number, because 106718387 - 2¹⁴ = 106702003 is a prime.

It is a super-2 number, since 2×106718387² = 22777628247763538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106718357) 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, 599453 + ... + 599630.

It is an arithmetic number, because the mean of its divisors is an integer number (26979390).

Almost surely, 2^106718387 is an apocalyptic number.

106718387 is a deficient number, since it is larger than the sum of its proper divisors (1199173).

106718387 is an equidigital number, since it uses as much as digits as its factorization.

106718387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199172.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 106718387 is about 10330.4591863092. The cubic root of 106718387 is about 474.3290797579.

The spelling of 106718387 in words is "one hundred six million, seven hundred eighteen thousand, three hundred eighty-seven".