4138701121 has 4 divisors (see below), whose sum is σ = 4318644672. Its totient is φ = 3958757572.

The previous prime is 4138701113. The next prime is 4138701131. The reversal of 4138701121 is 1211078314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4138701121 - 2³ = 4138701113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4138701121.

It is not an unprimeable number, because it can be changed into a prime (4138701101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89971741 + ... + 89971786.

It is an arithmetic number, because the mean of its divisors is an integer number (1079661168).

Almost surely, 2^4138701121 is an apocalyptic number.

It is an amenable number.

4138701121 is a deficient number, since it is larger than the sum of its proper divisors (179943551).

4138701121 is a wasteful number, since it uses less digits than its factorization.

4138701121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179943550.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 4138701121 is about 64332.7375525090. The cubic root of 4138701121 is about 1605.5408316379.

Adding to 4138701121 its reverse (1211078314), we get a palindrome (5349779435).

The spelling of 4138701121 in words is "four billion, one hundred thirty-eight million, seven hundred one thousand, one hundred twenty-one".