105536921 has 8 divisors (see below), whose sum is σ = 123418944. Its totient is φ = 88356240.

The previous prime is 105536909. The next prime is 105536923. The reversal of 105536921 is 129635501.

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

It is not a de Polignac number, because 105536921 - 2¹⁸ = 105274777 is a prime.

It is a super-2 number, since 2×105536921² = 22276083388320482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105536923) 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, 175010 + ... + 175611.

It is an arithmetic number, because the mean of its divisors is an integer number (15427368).

Almost surely, 2^105536921 is an apocalyptic number.

It is an amenable number.

105536921 is a deficient number, since it is larger than the sum of its proper divisors (17882023).

105536921 is an equidigital number, since it uses as much as digits as its factorization.

105536921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350671.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 105536921 is about 10273.1164210282. The cubic root of 105536921 is about 472.5721674340.

The spelling of 105536921 in words is "one hundred five million, five hundred thirty-six thousand, nine hundred twenty-one".