4002121303 has 2 divisors, whose sum is σ = 4002121304. Its totient is φ = 4002121302.

The previous prime is 4002121301. The next prime is 4002121337. The reversal of 4002121303 is 3031212004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4002121303 - 2¹ = 4002121301 is a prime.

Together with 4002121301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002121301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001060651 + 2001060652.

It is an arithmetic number, because the mean of its divisors is an integer number (2001060652).

Almost surely, 2^4002121303 is an apocalyptic number.

4002121303 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002121303 is an equidigital number, since it uses as much as digits as its factorization.

4002121303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4002121303 is about 63262.3213532352. The cubic root of 4002121303 is about 1587.6816155951.

Adding to 4002121303 its reverse (3031212004), we get a palindrome (7033333307).

The spelling of 4002121303 in words is "four billion, two million, one hundred twenty-one thousand, three hundred three".