810124401 has 4 divisors (see below), whose sum is σ = 1080165872. Its totient is φ = 540082932.

The previous prime is 810124391. The next prime is 810124417. The reversal of 810124401 is 104421018.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 810124401 - 2¹⁴ = 810108017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (810124481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135020731 + ... + 135020736.

It is an arithmetic number, because the mean of its divisors is an integer number (270041468).

Almost surely, 2^810124401 is an apocalyptic number.

It is an amenable number.

810124401 is a deficient number, since it is larger than the sum of its proper divisors (270041471).

810124401 is a wasteful number, since it uses less digits than its factorization.

810124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270041470.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 810124401 is about 28462.6843604042. The cubic root of 810124401 is about 932.2174706805.

Adding to 810124401 its reverse (104421018), we get a palindrome (914545419).

The spelling of 810124401 in words is "eight hundred ten million, one hundred twenty-four thousand, four hundred one".