812402124 has 24 divisors (see below), whose sum is σ = 1896326208. Its totient is φ = 270697680.

The previous prime is 812402111. The next prime is 812402131. The reversal of 812402124 is 421204218.

It is a super-2 number, since 2×812402124² = 1319994422159422752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 812402094 and 812402103.

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, 24259 + ... + 47045.

It is an arithmetic number, because the mean of its divisors is an integer number (79013592).

Almost surely, 2^812402124 is an apocalyptic number.

It is an amenable number.

812402124 is an abundant number, since it is smaller than the sum of its proper divisors (1083924084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812402124 is a wasteful number, since it uses less digits than its factorization.

812402124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25765 (or 25763 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 812402124 is about 28502.6687171570. The cubic root of 812402124 is about 933.0903186472.

The spelling of 812402124 in words is "eight hundred twelve million, four hundred two thousand, one hundred twenty-four".