112912229 has 2 divisors, whose sum is σ = 112912230. Its totient is φ = 112912228.

The previous prime is 112912201. The next prime is 112912291. The reversal of 112912229 is 922219211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 50027329 = 7930^2 + 7073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112912229 is a prime.

It is a Chen prime.

It is equal to p_6460355 and since 112912229 and 6460355 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112912529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56456114 + 56456115.

It is an arithmetic number, because the mean of its divisors is an integer number (56456115).

Almost surely, 2^112912229 is an apocalyptic number.

It is an amenable number.

112912229 is a deficient number, since it is larger than the sum of its proper divisors (1).

112912229 is an equidigital number, since it uses as much as digits as its factorization.

112912229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 29.

The square root of 112912229 is about 10626.0166101884. The cubic root of 112912229 is about 483.3336072399. Note that the first 3 decimals are identical.

The spelling of 112912229 in words is "one hundred twelve million, nine hundred twelve thousand, two hundred twenty-nine".