2144120234 has 8 divisors (see below), whose sum is σ = 3219615588. Its totient is φ = 1070915040.

The previous prime is 2144120233. The next prime is 2144120273. The reversal of 2144120234 is 4320214412.

It can be written as a sum of positive squares in 2 ways, for example, as 1773673225 + 370447009 = 42115^2 + 19247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2144120233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570197 + ... + 573944.

Almost surely, 2^2144120234 is an apocalyptic number.

2144120234 is a deficient number, since it is larger than the sum of its proper divisors (1075495354).

2144120234 is a wasteful number, since it uses less digits than its factorization.

2144120234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145080.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2144120234 is about 46304.6459224126. The cubic root of 2144120234 is about 1289.4852490251.

Adding to 2144120234 its reverse (4320214412), we get a palindrome (6464334646).

The spelling of 2144120234 in words is "two billion, one hundred forty-four million, one hundred twenty thousand, two hundred thirty-four".