106052721 has 8 divisors (see below), whose sum is σ = 143340960. Its totient is φ = 69733152.

The previous prime is 106052717. The next prime is 106052743. The reversal of 106052721 is 127250601.

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

It is not a de Polignac number, because 106052721 - 2² = 106052717 is a prime.

It is a super-2 number, since 2×106052721² = 22494359263007682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106052691 and 106052700.

It is not an unprimeable number, because it can be changed into a prime (106052711) 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 7 ways as a sum of consecutive naturals, for example, 241911 + ... + 242348.

It is an arithmetic number, because the mean of its divisors is an integer number (17917620).

Almost surely, 2^106052721 is an apocalyptic number.

It is an amenable number.

106052721 is a deficient number, since it is larger than the sum of its proper divisors (37288239).

106052721 is an equidigital number, since it uses as much as digits as its factorization.

106052721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484335.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 106052721 is about 10298.1901808036. The cubic root of 106052721 is about 473.3407979492.

The spelling of 106052721 in words is "one hundred six million, fifty-two thousand, seven hundred twenty-one".