112129949 has 2 divisors, whose sum is σ = 112129950. Its totient is φ = 112129948.

The previous prime is 112129931. The next prime is 112129961. The reversal of 112129949 is 949921211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58033924 + 54096025 = 7618^2 + 7355^2 .

It is an emirp because it is prime and its reverse (949921211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112129949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112129999) 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, 56064974 + 56064975.

It is an arithmetic number, because the mean of its divisors is an integer number (56064975).

Almost surely, 2^112129949 is an apocalyptic number.

It is an amenable number.

112129949 is a deficient number, since it is larger than the sum of its proper divisors (1).

112129949 is an equidigital number, since it uses as much as digits as its factorization.

112129949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 38.

The square root of 112129949 is about 10589.1429775974. The cubic root of 112129949 is about 482.2148067194.

The spelling of 112129949 in words is "one hundred twelve million, one hundred twenty-nine thousand, nine hundred forty-nine".