105125042 has 64 divisors (see below), whose sum is σ = 193529088. Its totient is φ = 42592000.

The previous prime is 105125017. The next prime is 105125047. The reversal of 105125042 is 240521501.

It is a super-2 number, since 2×105125042² = 22102548911003528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105125047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1040792 + ... + 1040892.

It is an arithmetic number, because the mean of its divisors is an integer number (3023892).

Almost surely, 2^105125042 is an apocalyptic number.

105125042 is a deficient number, since it is larger than the sum of its proper divisors (88404046).

105125042 is a wasteful number, since it uses less digits than its factorization.

105125042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105125042 is about 10253.0503753761. The cubic root of 105125042 is about 471.9565967223.

Adding to 105125042 its reverse (240521501), we get a palindrome (345646543).

The spelling of 105125042 in words is "one hundred five million, one hundred twenty-five thousand, forty-two".