810122428 has 18 divisors (see below), whose sum is σ = 1425567584. Its totient is φ = 402821664.

The previous prime is 810122407. The next prime is 810122431. The reversal of 810122428 is 824221018.

810122428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 810122396 and 810122405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 849600 + ... + 850552.

Almost surely, 2^810122428 is an apocalyptic number.

It is an amenable number.

810122428 is a deficient number, since it is larger than the sum of its proper divisors (615445156).

810122428 is an equidigital number, since it uses as much as digits as its factorization.

810122428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 810122428 is about 28462.6497009678. The cubic root of 810122428 is about 932.2167138969.

The spelling of 810122428 in words is "eight hundred ten million, one hundred twenty-two thousand, four hundred twenty-eight".