112121173 has 2 divisors, whose sum is σ = 112121174. Its totient is φ = 112121172.

The previous prime is 112121161. The next prime is 112121201. The reversal of 112121173 is 371121211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111661489 + 459684 = 10567^2 + 678^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121173 - 2¹³ = 112112981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112121173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060586 + 56060587.

It is an arithmetic number, because the mean of its divisors is an integer number (56060587).

Almost surely, 2^112121173 is an apocalyptic number.

It is an amenable number.

112121173 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121173 is an equidigital number, since it uses as much as digits as its factorization.

112121173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84, while the sum is 19.

The square root of 112121173 is about 10588.7285827903. The cubic root of 112121173 is about 482.2022259962.

Adding to 112121173 its reverse (371121211), we get a palindrome (483242384).

The spelling of 112121173 in words is "one hundred twelve million, one hundred twenty-one thousand, one hundred seventy-three".