106949543 has 4 divisors (see below), whose sum is σ = 106973640. Its totient is φ = 106925448.

The previous prime is 106949539. The next prime is 106949551. The reversal of 106949543 is 345949601.

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 106949543 - 2² = 106949539 is a prime.

It is a super-2 number, since 2×106949543² = 22876409495817698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106949543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106949243) 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 3 ways as a sum of consecutive naturals, for example, 3248 + ... + 14981.

It is an arithmetic number, because the mean of its divisors is an integer number (26743410).

Almost surely, 2^106949543 is an apocalyptic number.

106949543 is a deficient number, since it is larger than the sum of its proper divisors (24097).

106949543 is an equidigital number, since it uses as much as digits as its factorization.

106949543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24096.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 106949543 is about 10341.6412140433. The cubic root of 106949543 is about 474.6713042693.

The spelling of 106949543 in words is "one hundred six million, nine hundred forty-nine thousand, five hundred forty-three".