512250120 has 96 divisors (see below), whose sum is σ = 1762764120. Its totient is φ = 128563200.

The previous prime is 512250073. The next prime is 512250121. The reversal of 512250120 is 21052215.

It can be written as a sum of positive squares in 4 ways, for example, as 308845476 + 203404644 = 17574^2 + 14262^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 512250093 and 512250102.

It is not an unprimeable number, because it can be changed into a prime (512250121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35731 + ... + 47970.

Almost surely, 2^512250120 is an apocalyptic number.

It is an amenable number.

512250120 is an abundant number, since it is smaller than the sum of its proper divisors (1250514000).

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

512250120 is a wasteful number, since it uses less digits than its factorization.

512250120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83735 (or 83728 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 512250120 is about 22632.9432465157. The cubic root of 512250120 is about 800.1302496260.

The spelling of 512250120 in words is "five hundred twelve million, two hundred fifty thousand, one hundred twenty".