112207161 has 8 divisors (see below), whose sum is σ = 163210464. Its totient is φ = 68004320.

The previous prime is 112207159. The next prime is 112207169. The reversal of 112207161 is 161702211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112207161 - 2¹ = 112207159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112207169) 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, 1700076 + ... + 1700141.

It is an arithmetic number, because the mean of its divisors is an integer number (20401308).

Almost surely, 2^112207161 is an apocalyptic number.

112207161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112207161 is a deficient number, since it is larger than the sum of its proper divisors (51003303).

112207161 is a wasteful number, since it uses less digits than its factorization.

112207161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400231.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 112207161 is about 10592.7881598756. The cubic root of 112207161 is about 482.3254647169.

Adding to 112207161 its reverse (161702211), we get a palindrome (273909372).

It can be divided in two parts, 11220 and 7161, that added together give a palindrome (18381).

The spelling of 112207161 in words is "one hundred twelve million, two hundred seven thousand, one hundred sixty-one".