105047112 has 16 divisors (see below), whose sum is σ = 262617840. Its totient is φ = 35015696.

The previous prime is 105047101. The next prime is 105047119. The reversal of 105047112 is 211740501.

It is a happy number.

It is a super-2 number, since 2×105047112² = 22069791479081088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105047119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188458 + ... + 2188505.

It is an arithmetic number, because the mean of its divisors is an integer number (16413615).

Almost surely, 2^105047112 is an apocalyptic number.

105047112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105047112 is an abundant number, since it is smaller than the sum of its proper divisors (157570728).

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

105047112 is a wasteful number, since it uses less digits than its factorization.

105047112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376972 (or 4376968 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 105047112 is about 10249.2493383662. The cubic root of 105047112 is about 471.8399462112.

Adding to 105047112 its reverse (211740501), we get a palindrome (316787613).

The spelling of 105047112 in words is "one hundred five million, forty-seven thousand, one hundred twelve".