106921183 has 4 divisors (see below), whose sum is σ = 107126928. Its totient is φ = 106715440.

The previous prime is 106921127. The next prime is 106921237. The reversal of 106921183 is 381129601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 381129601 = 379 ⋅1005619.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106921183 is a prime.

It is a super-2 number, since 2×106921183² = 22864278748238978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106921103) 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, 102091 + ... + 103132.

It is an arithmetic number, because the mean of its divisors is an integer number (26781732).

Almost surely, 2^106921183 is an apocalyptic number.

106921183 is a deficient number, since it is larger than the sum of its proper divisors (205745).

106921183 is an equidigital number, since it uses as much as digits as its factorization.

106921183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205744.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 106921183 is about 10340.2699674622. The cubic root of 106921183 is about 474.6293440829.

The spelling of 106921183 in words is "one hundred six million, nine hundred twenty-one thousand, one hundred eighty-three".