112420817 has 2 divisors, whose sum is σ = 112420818. Its totient is φ = 112420816.

The previous prime is 112420741. The next prime is 112420823. The reversal of 112420817 is 718024211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81072016 + 31348801 = 9004^2 + 5599^2 .

It is an emirp because it is prime and its reverse (718024211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112420817 - 2¹⁴ = 112404433 is a prime.

It is not a weakly prime, because it can be changed into another prime (112420717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56210408 + 56210409.

It is an arithmetic number, because the mean of its divisors is an integer number (56210409).

Almost surely, 2^112420817 is an apocalyptic number.

It is an amenable number.

112420817 is a deficient number, since it is larger than the sum of its proper divisors (1).

112420817 is an equidigital number, since it uses as much as digits as its factorization.

112420817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 112420817 is about 10602.8683383318. The cubic root of 112420817 is about 482.6314059481.

The spelling of 112420817 in words is "one hundred twelve million, four hundred twenty thousand, eight hundred seventeen".