515150120 has 16 divisors (see below), whose sum is σ = 1159087860. Its totient is φ = 206060032.

The previous prime is 515150107. The next prime is 515150131. The reversal of 515150120 is 21051515.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 442934116 + 72216004 = 21046^2 + 8498^2 .

It is a super-2 number, since 2×515150120² = 530759292272028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 515150092 and 515150101.

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 3 ways as a sum of consecutive naturals, for example, 6439337 + ... + 6439416.

Almost surely, 2^515150120 is an apocalyptic number.

It is an amenable number.

515150120 is an abundant number, since it is smaller than the sum of its proper divisors (643937740).

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

515150120 is a wasteful number, since it uses less digits than its factorization.

515150120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878764 (or 12878760 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 515150120 is about 22696.9187336079. The cubic root of 515150120 is about 801.6373341350.

The spelling of 515150120 in words is "five hundred fifteen million, one hundred fifty thousand, one hundred twenty".