71241112 has 8 divisors (see below), whose sum is σ = 133577100. Its totient is φ = 35620552.

The previous prime is 71241109. The next prime is 71241119. The reversal of 71241112 is 21114217.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 71241112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71241119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4452562 + ... + 4452577.

Almost surely, 2^71241112 is an apocalyptic number.

It is an amenable number.

71241112 is a deficient number, since it is larger than the sum of its proper divisors (62335988).

71241112 is a wasteful number, since it uses less digits than its factorization.

71241112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905145 (or 8905141 counting only the distinct ones).

The product of its digits is 112, while the sum is 19.

The square root of 71241112 is about 8440.4450119647. The cubic root of 71241112 is about 414.5499781374.

Adding to 71241112 its reverse (21114217), we get a palindrome (92355329).

The spelling of 71241112 in words is "seventy-one million, two hundred forty-one thousand, one hundred twelve".