106534721 has 4 divisors (see below), whose sum is σ = 106609200. Its totient is φ = 106460244.

The previous prime is 106534711. The next prime is 106534723. The reversal of 106534721 is 127435601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106534721 - 2¹⁰ = 106533697 is a prime.

It is a super-2 number, since 2×106534721² = 22699293557095682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106534723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35051 + ... + 37968.

It is an arithmetic number, because the mean of its divisors is an integer number (26652300).

Almost surely, 2^106534721 is an apocalyptic number.

It is an amenable number.

106534721 is a deficient number, since it is larger than the sum of its proper divisors (74479).

106534721 is an equidigital number, since it uses as much as digits as its factorization.

106534721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74478.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 106534721 is about 10321.5658211339. The cubic root of 106534721 is about 474.0568113050.

The spelling of 106534721 in words is "one hundred six million, five hundred thirty-four thousand, seven hundred twenty-one".