812266125 has 64 divisors (see below), whose sum is σ = 1497000960. Its totient is φ = 387816000.

The previous prime is 812266097. The next prime is 812266141. The reversal of 812266125 is 521662218.

It is not a de Polignac number, because 812266125 - 2⁹ = 812265613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274906 + ... + 277844.

It is an arithmetic number, because the mean of its divisors is an integer number (23390640).

Almost surely, 2^812266125 is an apocalyptic number.

It is an amenable number.

812266125 is a deficient number, since it is larger than the sum of its proper divisors (684734835).

812266125 is a wasteful number, since it uses less digits than its factorization.

812266125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3025 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 812266125 is about 28500.2828933328. The cubic root of 812266125 is about 933.0382481974.

It can be divided in two parts, 8122 and 66125, that added together give a palindrome (74247).

The spelling of 812266125 in words is "eight hundred twelve million, two hundred sixty-six thousand, one hundred twenty-five".