2124400142 has 8 divisors (see below), whose sum is σ = 3190985616. Its totient is φ = 1060738272.

The previous prime is 2124400099. The next prime is 2124400169. The reversal of 2124400142 is 2410044212.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729083 + ... + 731990.

It is an arithmetic number, because the mean of its divisors is an integer number (398873202).

Almost surely, 2^2124400142 is an apocalyptic number.

2124400142 is a deficient number, since it is larger than the sum of its proper divisors (1066585474).

2124400142 is a wasteful number, since it uses less digits than its factorization.

2124400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461802.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2124400142 is about 46091.2154537066. The cubic root of 2124400142 is about 1285.5198110947.

Adding to 2124400142 its reverse (2410044212), we get a palindrome (4534444354).

The spelling of 2124400142 in words is "two billion, one hundred twenty-four million, four hundred thousand, one hundred forty-two".