122898 has 8 divisors (see below), whose sum is σ = 245808. Its totient is φ = 40964.

The previous prime is 122891. The next prime is 122921. The reversal of 122898 is 898221.

It is a sphenic number, since it is the product of 3 distinct primes.

122898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (122891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10236 + ... + 10247.

It is an arithmetic number, because the mean of its divisors is an integer number (30726).

2¹²²⁸⁹⁸ is an apocalyptic number.

122898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122898 is a wasteful number, since it uses less digits than its factorization.

122898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20488.

The product of its digits is 2304, while the sum is 30.

The square root of 122898 is about 350.5681103580. The cubic root of 122898 is about 49.7181475021.

It can be divided in two parts, 1228 and 98, that added together give a triangular number (1326 = T₅₁).

The spelling of 122898 in words is "one hundred twenty-two thousand, eight hundred ninety-eight".