105111042 has 16 divisors (see below), whose sum is σ = 211878912. Its totient is φ = 34760880.

The previous prime is 105111023. The next prime is 105111077. The reversal of 105111042 is 240111501.

It is a happy number.

It is a super-2 number, since 2×105111042² = 22096662300651528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68209 + ... + 69732.

It is an arithmetic number, because the mean of its divisors is an integer number (13242432).

Almost surely, 2^105111042 is an apocalyptic number.

105111042 is an abundant number, since it is smaller than the sum of its proper divisors (106767870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105111042 is a wasteful number, since it uses less digits than its factorization.

105111042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138073.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 105111042 is about 10252.3676289919. The cubic root of 105111042 is about 471.9356448934.

Adding to 105111042 its reverse (240111501), we get a palindrome (345222543).

The spelling of 105111042 in words is "one hundred five million, one hundred eleven thousand, forty-two".