4140004121 has 16 divisors (see below), whose sum is σ = 4558681728. Its totient is φ = 3728524800.

The previous prime is 4140004097. The next prime is 4140004133. The reversal of 4140004121 is 1214000414.

It is not a de Polignac number, because 4140004121 - 2¹⁴ = 4139987737 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 4140004121.

It is not an unprimeable number, because it can be changed into a prime (4140004171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606236 + ... + 613026.

It is an arithmetic number, because the mean of its divisors is an integer number (284917608).

Almost surely, 2^4140004121 is an apocalyptic number.

It is an amenable number.

4140004121 is a deficient number, since it is larger than the sum of its proper divisors (418677607).

4140004121 is a wasteful number, since it uses less digits than its factorization.

4140004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4140004121 is about 64342.8637923430. The cubic root of 4140004121 is about 1605.7093064109.

Adding to 4140004121 its reverse (1214000414), we get a palindrome (5354004535).

The spelling of 4140004121 in words is "four billion, one hundred forty million, four thousand, one hundred twenty-one".