151201520 has 20 divisors (see below), whose sum is σ = 351543720. Its totient is φ = 60480576.

The previous prime is 151201511. The next prime is 151201541. The reversal of 151201520 is 25102151.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 944930 + ... + 945089.

It is an arithmetic number, because the mean of its divisors is an integer number (17577186).

Almost surely, 2^151201520 is an apocalyptic number.

151201520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151201520 is an abundant number, since it is smaller than the sum of its proper divisors (200342200).

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

151201520 is a wasteful number, since it uses less digits than its factorization.

151201520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890032 (or 1890026 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 151201520 is about 12296.4027260008. The cubic root of 151201520 is about 532.7441862434.

Adding to 151201520 its reverse (25102151), we get a palindrome (176303671).

The spelling of 151201520 in words is "one hundred fifty-one million, two hundred one thousand, five hundred twenty".