112689257 has 2 divisors, whose sum is σ = 112689258. Its totient is φ = 112689256.

The previous prime is 112689251. The next prime is 112689287. The reversal of 112689257 is 752986211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98089216 + 14600041 = 9904^2 + 3821^2 .

It is a cyclic number.

It is not a de Polignac number, because 112689257 - 2⁶ = 112689193 is a prime.

It is not a weakly prime, because it can be changed into another prime (112689251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56344628 + 56344629.

It is an arithmetic number, because the mean of its divisors is an integer number (56344629).

Almost surely, 2^112689257 is an apocalyptic number.

It is an amenable number.

112689257 is a deficient number, since it is larger than the sum of its proper divisors (1).

112689257 is an equidigital number, since it uses as much as digits as its factorization.

112689257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 112689257 is about 10615.5196292975. The cubic root of 112689257 is about 483.0152452726.

The spelling of 112689257 in words is "one hundred twelve million, six hundred eighty-nine thousand, two hundred fifty-seven".