106052321 has 4 divisors (see below), whose sum is σ = 106153152. Its totient is φ = 105951492.

The previous prime is 106052299. The next prime is 106052329. The reversal of 106052321 is 123250601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123250601 = 83 ⋅1484947.

It is a cyclic number.

It is not a de Polignac number, because 106052321 - 2¹⁸ = 105790177 is a prime.

It is a super-2 number, since 2×106052321² = 22494189578974082, 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 = 106052293 and 106052302.

It is not an unprimeable number, because it can be changed into a prime (106052329) 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, 48821 + ... + 50946.

It is an arithmetic number, because the mean of its divisors is an integer number (26538288).

Almost surely, 2^106052321 is an apocalyptic number.

It is an amenable number.

106052321 is a deficient number, since it is larger than the sum of its proper divisors (100831).

106052321 is an equidigital number, since it uses as much as digits as its factorization.

106052321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100830.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 106052321 is about 10298.1707598971. The cubic root of 106052321 is about 473.3402028472.

The spelling of 106052321 in words is "one hundred six million, fifty-two thousand, three hundred twenty-one".