150120520 has 64 divisors (see below), whose sum is σ = 387892800. Its totient is φ = 51713280.

The previous prime is 150120511. The next prime is 150120527. The reversal of 150120520 is 25021051.

150120520 = T₂₀₉ + T₂₁₀ + ... + T₉₆₈.

It is a junction number, because it is equal to n+sod(n) for n = 150120494 and 150120503.

It is not an unprimeable number, because it can be changed into a prime (150120527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619 + ... + 17338.

It is an arithmetic number, because the mean of its divisors is an integer number (6060825).

Almost surely, 2^150120520 is an apocalyptic number.

150120520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150120520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193946400).

150120520 is an abundant number, since it is smaller than the sum of its proper divisors (237772280).

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

150120520 is a wasteful number, since it uses less digits than its factorization.

150120520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998 (or 17994 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 150120520 is about 12252.3679344035. The cubic root of 150120520 is about 531.4715482865.

Adding to 150120520 its reverse (25021051), we get a palindrome (175141571).

The spelling of 150120520 in words is "one hundred fifty million, one hundred twenty thousand, five hundred twenty".