105321073 has 8 divisors (see below), whose sum is σ = 123734016. Its totient is φ = 88381200.

The previous prime is 105321067. The next prime is 105321089. The reversal of 105321073 is 370123501.

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

It is a cyclic number.

It is not a de Polignac number, because 105321073 - 2²¹ = 103223921 is a prime.

It is a super-2 number, since 2×105321073² = 22185056835742658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105321053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368113 + ... + 368398.

It is an arithmetic number, because the mean of its divisors is an integer number (15466752).

Almost surely, 2^105321073 is an apocalyptic number.

105321073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

105321073 is a deficient number, since it is larger than the sum of its proper divisors (18412943).

105321073 is a wasteful number, since it uses less digits than its factorization.

105321073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736535.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 105321073 is about 10262.6055658395. The cubic root of 105321073 is about 472.2497735395.

Adding to 105321073 its reverse (370123501), we get a palindrome (475444574).

The spelling of 105321073 in words is "one hundred five million, three hundred twenty-one thousand, seventy-three".