105722541 has 12 divisors (see below), whose sum is σ = 161693532. Its totient is φ = 66335616.

The previous prime is 105722537. The next prime is 105722543. The reversal of 105722541 is 145227501.

It can be written as a sum of positive squares in 2 ways, for example, as 30969225 + 74753316 = 5565^2 + 8646^2 .

It is not a de Polignac number, because 105722541 - 2² = 105722537 is a prime.

It is a super-2 number, since 2×105722541² = 22354511350993362, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105722543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345346 + ... + 345651.

It is an arithmetic number, because the mean of its divisors is an integer number (13474461).

Almost surely, 2^105722541 is an apocalyptic number.

It is an amenable number.

105722541 is a deficient number, since it is larger than the sum of its proper divisors (55970991).

105722541 is a wasteful number, since it uses less digits than its factorization.

105722541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691020 (or 691017 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 105722541 is about 10282.1467116551. The cubic root of 105722541 is about 472.8490609546.

The spelling of 105722541 in words is "one hundred five million, seven hundred twenty-two thousand, five hundred forty-one".