122863 has 6 divisors (see below), whose sum is σ = 133224. Its totient is φ = 113256.

The previous prime is 122861. The next prime is 122867. The reversal of 122863 is 368221.

It is not a de Polignac number, because 122863 - 2¹ = 122861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (22204).

2¹²²⁸⁶³ is an apocalyptic number.

122863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122863 is a deficient number, since it is larger than the sum of its proper divisors (10361).

122863 is an equidigital number, since it uses as much as digits as its factorization.

122863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 740 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 122863 is about 350.5181878305. The cubic root of 122863 is about 49.7134273267.

The spelling of 122863 in words is "one hundred twenty-two thousand, eight hundred sixty-three".