812532124 has 24 divisors (see below), whose sum is σ = 1435392000. Its totient is φ = 402438960.

The previous prime is 812532059. The next prime is 812532163. The reversal of 812532124 is 421235218.

It is a junction number, because it is equal to n+sod(n) for n = 812532092 and 812532101.

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 7 ways as a sum of consecutive naturals, for example, 188109 + ... + 192379.

It is an arithmetic number, because the mean of its divisors is an integer number (59808000).

Almost surely, 2^812532124 is an apocalyptic number.

It is an amenable number.

812532124 is a deficient number, since it is larger than the sum of its proper divisors (622859876).

812532124 is a wasteful number, since it uses less digits than its factorization.

812532124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713 (or 4711 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 812532124 is about 28504.9491141451. The cubic root of 812532124 is about 933.1400868052.

The spelling of 812532124 in words is "eight hundred twelve million, five hundred thirty-two thousand, one hundred twenty-four".