105611242 has 16 divisors (see below), whose sum is σ = 182984832. Its totient is φ = 45181120.

The previous prime is 105611237. The next prime is 105611249. The reversal of 105611242 is 242116501.

It is a super-2 number, since 2×105611242² = 22307468873565128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (105611249) 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, 140818 + ... + 141565.

It is an arithmetic number, because the mean of its divisors is an integer number (11436552).

Almost surely, 2^105611242 is an apocalyptic number.

105611242 is a deficient number, since it is larger than the sum of its proper divisors (77373590).

105611242 is a wasteful number, since it uses less digits than its factorization.

105611242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282413.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 105611242 is about 10276.7330411955. The cubic root of 105611242 is about 472.6830726807.

Adding to 105611242 its reverse (242116501), we get a palindrome (347727743).

The spelling of 105611242 in words is "one hundred five million, six hundred eleven thousand, two hundred forty-two".