112123511 has 2 divisors, whose sum is σ = 112123512. Its totient is φ = 112123510.

The previous prime is 112123507. The next prime is 112123523. The reversal of 112123511 is 115321211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112123511 - 2² = 112123507 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112123511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112123111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061755 + 56061756.

It is an arithmetic number, because the mean of its divisors is an integer number (56061756).

Almost surely, 2^112123511 is an apocalyptic number.

112123511 is a deficient number, since it is larger than the sum of its proper divisors (1).

112123511 is an equidigital number, since it uses as much as digits as its factorization.

112123511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60, while the sum is 17.

The square root of 112123511 is about 10588.8389826269. The cubic root of 112123511 is about 482.2055776706.

Adding to 112123511 its reverse (115321211), we get a palindrome (227444722).

The spelling of 112123511 in words is "one hundred twelve million, one hundred twenty-three thousand, five hundred eleven".