105821152 has 12 divisors (see below), whose sum is σ = 208335456. Its totient is φ = 52910560.

The previous prime is 105821119. The next prime is 105821173. The reversal of 105821152 is 251128501.

It is a super-2 number, since 2×105821152² = 22396232421214208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1653424 + ... + 1653487.

It is an arithmetic number, because the mean of its divisors is an integer number (17361288).

Almost surely, 2^105821152 is an apocalyptic number.

It is an amenable number.

105821152 is a deficient number, since it is larger than the sum of its proper divisors (102514304).

105821152 is an equidigital number, since it uses as much as digits as its factorization.

105821152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306921 (or 3306913 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 105821152 is about 10286.9408475017. The cubic root of 105821152 is about 472.9960293892.

Adding to 105821152 its reverse (251128501), we get a palindrome (356949653).

The spelling of 105821152 in words is "one hundred five million, eight hundred twenty-one thousand, one hundred fifty-two".