816232125 has 16 divisors (see below), whose sum is σ = 1358210880. Its totient is φ = 435323600.

The previous prime is 816232121. The next prime is 816232147. The reversal of 816232125 is 521232618.

It is not a de Polignac number, because 816232125 - 2² = 816232121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 816232092 and 816232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087935 + ... + 1088684.

It is an arithmetic number, because the mean of its divisors is an integer number (84888180).

Almost surely, 2^816232125 is an apocalyptic number.

It is an amenable number.

816232125 is a deficient number, since it is larger than the sum of its proper divisors (541978755).

816232125 is a wasteful number, since it uses less digits than its factorization.

816232125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176637 (or 2176627 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 816232125 is about 28569.7764254465. The cubic root of 816232125 is about 934.5543454653.

The spelling of 816232125 in words is "eight hundred sixteen million, two hundred thirty-two thousand, one hundred twenty-five".