106988543 has 4 divisors (see below), whose sum is σ = 107208720. Its totient is φ = 106768368.

The previous prime is 106988537. The next prime is 106988573. The reversal of 106988543 is 345889601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345889601 = 5693 ⋅60757.

It is a cyclic number.

It is not a de Polignac number, because 106988543 - 2¹² = 106984447 is a prime.

It is a super-2 number, since 2×106988543² = 22893096666525698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106988494 and 106988503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106988573) 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, 109358 + ... + 110331.

It is an arithmetic number, because the mean of its divisors is an integer number (26802180).

Almost surely, 2^106988543 is an apocalyptic number.

106988543 is a deficient number, since it is larger than the sum of its proper divisors (220177).

106988543 is an equidigital number, since it uses as much as digits as its factorization.

106988543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220176.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 106988543 is about 10343.5266229657. The cubic root of 106988543 is about 474.7289948107.

The spelling of 106988543 in words is "one hundred six million, nine hundred eighty-eight thousand, five hundred forty-three".