150121320 has 32 divisors (see below), whose sum is σ = 450364320. Its totient is φ = 40032320.

The previous prime is 150121319. The next prime is 150121333. The reversal of 150121320 is 23121051.

150121320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 150121320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625386 + ... + 625625.

It is an arithmetic number, because the mean of its divisors is an integer number (14073885).

Almost surely, 2^150121320 is an apocalyptic number.

150121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150121320 is an abundant number, since it is smaller than the sum of its proper divisors (300243000).

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

150121320 is a wasteful number, since it uses less digits than its factorization.

150121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251025 (or 1251021 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 150121320 is about 12252.4005811106. The cubic root of 150121320 is about 531.4724923646.

Adding to 150121320 its reverse (23121051), we get a palindrome (173242371).

The spelling of 150121320 in words is "one hundred fifty million, one hundred twenty-one thousand, three hundred twenty".