122828 has 6 divisors (see below), whose sum is σ = 214956. Its totient is φ = 61412.

The previous prime is 122827. The next prime is 122833. The reversal of 122828 is 828221.

It is not an unprimeable number, because it can be changed into a prime (122827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15350 + ... + 15357.

It is an arithmetic number, because the mean of its divisors is an integer number (35826).

2¹²²⁸²⁸ is an apocalyptic number.

It is an amenable number.

122828 is a deficient number, since it is larger than the sum of its proper divisors (92128).

122828 is a wasteful number, since it uses less digits than its factorization.

122828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30711 (or 30709 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 122828 is about 350.4682581918. The cubic root of 122828 is about 49.7087062547.

The spelling of 122828 in words is "one hundred twenty-two thousand, eight hundred twenty-eight".