2143122007 has 8 divisors (see below), whose sum is σ = 2340485280. Its totient is φ = 1950402720.

The previous prime is 2143121969. The next prime is 2143122013. The reversal of 2143122007 is 7002213412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143122007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143122307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160032 + ... + 1161877.

It is an arithmetic number, because the mean of its divisors is an integer number (292560660).

Almost surely, 2^2143122007 is an apocalyptic number.

2143122007 is a deficient number, since it is larger than the sum of its proper divisors (197363273).

2143122007 is a wasteful number, since it uses less digits than its factorization.

2143122007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321993.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2143122007 is about 46293.8657599471. The cubic root of 2143122007 is about 1289.2851049627.

Adding to 2143122007 its reverse (7002213412), we get a palindrome (9145335419).

The spelling of 2143122007 in words is "two billion, one hundred forty-three million, one hundred twenty-two thousand, seven".