112181449 has 2 divisors, whose sum is σ = 112181450. Its totient is φ = 112181448.

The previous prime is 112181437. The next prime is 112181473. The reversal of 112181449 is 944181211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 24571849 = 9360^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 112181449 - 2⁵ = 112181417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112181449.

It is not a weakly prime, because it can be changed into another prime (112181429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56090724 + 56090725.

It is an arithmetic number, because the mean of its divisors is an integer number (56090725).

Almost surely, 2^112181449 is an apocalyptic number.

It is an amenable number.

112181449 is a deficient number, since it is larger than the sum of its proper divisors (1).

112181449 is an equidigital number, since it uses as much as digits as its factorization.

112181449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 31.

The square root of 112181449 is about 10591.5744344266. The cubic root of 112181449 is about 482.2886206640.

The spelling of 112181449 in words is "one hundred twelve million, one hundred eighty-one thousand, four hundred forty-nine".