105521141 has 8 divisors (see below), whose sum is σ = 115207104. Its totient is φ = 95850720.

The previous prime is 105521093. The next prime is 105521161. The reversal of 105521141 is 141125501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105521141 is a prime.

It is a super-2 number, since 2×105521141² = 22269422395883762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105521161) 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, 13865 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (14400888).

Almost surely, 2^105521141 is an apocalyptic number.

105521141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105521141 is a deficient number, since it is larger than the sum of its proper divisors (9685963).

105521141 is a wasteful number, since it uses less digits than its factorization.

105521141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 105521141 is about 10272.3483683138. The cubic root of 105521141 is about 472.5486130847.

Adding to 105521141 its reverse (141125501), we get a palindrome (246646642).

The spelling of 105521141 in words is "one hundred five million, five hundred twenty-one thousand, one hundred forty-one".