150647121 has 18 divisors (see below), whose sum is σ = 225969042. Its totient is φ = 100427040.

The previous prime is 150647117. The next prime is 150647131. The reversal of 150647121 is 121746051.

It is a happy number.

150647121 is a `hidden beast` number, since 1 + 5 + 0 + 647 + 12 + 1 = 666.

150647121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 137945025 + 12702096 = 11745^2 + 3564^2 .

It is not a de Polignac number, because 150647121 - 2² = 150647117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (150647131) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4920 + ... + 18041.

Almost surely, 2^150647121 is an apocalyptic number.

150647121 is the 6561-st nonagonal number.

It is an amenable number.

150647121 is a deficient number, since it is larger than the sum of its proper divisors (75321921).

150647121 is an frugal number, since it uses more digits than its factorization.

150647121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22985 (or 22964 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 150647121 is about 12273.8388860210. The cubic root of 150647121 is about 532.0922647465.

The spelling of 150647121 in words is "one hundred fifty million, six hundred forty-seven thousand, one hundred twenty-one".