147944121 has 24 divisors (see below), whose sum is σ = 220513536. Its totient is φ = 88096320.

The previous prime is 147944117. The next prime is 147944129. The reversal of 147944121 is 121449741.

147944121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147944121 - 2² = 147944117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147944129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11011 + ... + 20423.

It is an arithmetic number, because the mean of its divisors is an integer number (9188064).

Almost surely, 2^147944121 is an apocalyptic number.

It is an amenable number.

147944121 is a deficient number, since it is larger than the sum of its proper divisors (72569415).

147944121 is a wasteful number, since it uses less digits than its factorization.

147944121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473 (or 9460 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 147944121 is about 12163.2282310249. The cubic root of 147944121 is about 528.8906677137.

It can be divided in two parts, 14794 and 4121, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 147944121 in words is "one hundred forty-seven million, nine hundred forty-four thousand, one hundred twenty-one".