2121142434 has 8 divisors (see below), whose sum is σ = 4242284880. Its totient is φ = 707047476.

The previous prime is 2121142423. The next prime is 2121142483. The reversal of 2121142434 is 4342411212.

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

2121142434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176761864 + ... + 176761875.

It is an arithmetic number, because the mean of its divisors is an integer number (530285610).

Almost surely, 2^2121142434 is an apocalyptic number.

2121142434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2121142434 is a wasteful number, since it uses less digits than its factorization.

2121142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353523744.

The product of its digits is 1536, while the sum is 24.

The square root of 2121142434 is about 46055.8621024512. The cubic root of 2121142434 is about 1284.8623720739.

Adding to 2121142434 its reverse (4342411212), we get a palindrome (6463553646).

The spelling of 2121142434 in words is "two billion, one hundred twenty-one million, one hundred forty-two thousand, four hundred thirty-four".