112500181 has 2 divisors, whose sum is σ = 112500182. Its totient is φ = 112500180.

The previous prime is 112500161. The next prime is 112500211. The reversal of 112500181 is 181005211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100180081 + 12320100 = 10009^2 + 3510^2 .

It is a cyclic number.

It is not a de Polignac number, because 112500181 - 2¹⁷ = 112369109 is a prime.

It is a super-2 number, since 2×112500181² = 25312581450065522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112500151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56250090 + 56250091.

It is an arithmetic number, because the mean of its divisors is an integer number (56250091).

Almost surely, 2^112500181 is an apocalyptic number.

It is an amenable number.

112500181 is a deficient number, since it is larger than the sum of its proper divisors (1).

112500181 is an equidigital number, since it uses as much as digits as its factorization.

112500181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 112500181 is about 10606.6102502166. The cubic root of 112500181 is about 482.7449511969.

Adding to 112500181 its reverse (181005211), we get a palindrome (293505392).

The spelling of 112500181 in words is "one hundred twelve million, five hundred thousand, one hundred eighty-one".