122828705 has 16 divisors (see below), whose sum is σ = 149937024. Its totient is φ = 96577920.

The previous prime is 122828687. The next prime is 122828707. The reversal of 122828705 is 507828221.

It is not a de Polignac number, because 122828705 - 2⁸ = 122828449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122828707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177410 + ... + 178100.

It is an arithmetic number, because the mean of its divisors is an integer number (9371064).

Almost surely, 2^122828705 is an apocalyptic number.

It is an amenable number.

122828705 is a deficient number, since it is larger than the sum of its proper divisors (27108319).

122828705 is an equidigital number, since it uses as much as digits as its factorization.

122828705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 122828705 is about 11082.8112408360. The cubic root of 122828705 is about 497.0880135939.

The spelling of 122828705 in words is "one hundred twenty-two million, eight hundred twenty-eight thousand, seven hundred five".