112559989 has 2 divisors, whose sum is σ = 112559990. Its totient is φ = 112559988.

The previous prime is 112559987. The next prime is 112560011. The reversal of 112559989 is 989955211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95062500 + 17497489 = 9750^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 112559989 - 2¹ = 112559987 is a prime.

It is a super-2 number, since 2×112559989² = 25339502247360242, which contains 22 as substring.

Together with 112559987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112559981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56279994 + 56279995.

It is an arithmetic number, because the mean of its divisors is an integer number (56279995).

Almost surely, 2^112559989 is an apocalyptic number.

It is an amenable number.

112559989 is a deficient number, since it is larger than the sum of its proper divisors (1).

112559989 is an equidigital number, since it uses as much as digits as its factorization.

112559989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 49.

The square root of 112559989 is about 10609.4292494931. The cubic root of 112559989 is about 482.8304826005.

It can be divided in two parts, 11 and 2559989, that added together give a 4-th power (2560000 = 40⁴).

The spelling of 112559989 in words is "one hundred twelve million, five hundred fifty-nine thousand, nine hundred eighty-nine".