112162861 has 2 divisors, whose sum is σ = 112162862. Its totient is φ = 112162860.

The previous prime is 112162849. The next prime is 112162901. The reversal of 112162861 is 168261211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102515625 + 9647236 = 10125^2 + 3106^2 .

It is a cyclic number.

It is not a de Polignac number, because 112162861 - 2⁵ = 112162829 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 (112162801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56081430 + 56081431.

It is an arithmetic number, because the mean of its divisors is an integer number (56081431).

Almost surely, 2^112162861 is an apocalyptic number.

It is an amenable number.

112162861 is a deficient number, since it is larger than the sum of its proper divisors (1).

112162861 is an equidigital number, since it uses as much as digits as its factorization.

112162861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 112162861 is about 10590.6969081359. The cubic root of 112162861 is about 482.2619814524.

The spelling of 112162861 in words is "one hundred twelve million, one hundred sixty-two thousand, eight hundred sixty-one".