106921867 has 8 divisors (see below), whose sum is σ = 115882256. Its totient is φ = 98066592.

The previous prime is 106921831. The next prime is 106921879. The reversal of 106921867 is 768129601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-106921867 is a prime.

It is a super-2 number, since 2×106921867² = 22864571285531378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106921817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24153 + ... + 28234.

It is an arithmetic number, because the mean of its divisors is an integer number (14485282).

Almost surely, 2^106921867 is an apocalyptic number.

106921867 is a deficient number, since it is larger than the sum of its proper divisors (8960389).

106921867 is a wasteful number, since it uses less digits than its factorization.

106921867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52557.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 106921867 is about 10340.3030419809. The cubic root of 106921867 is about 474.6303561860.

The spelling of 106921867 in words is "one hundred six million, nine hundred twenty-one thousand, eight hundred sixty-seven".