4014002121 has 4 divisors (see below), whose sum is σ = 5352002832. Its totient is φ = 2676001412.

The previous prime is 4014002071. The next prime is 4014002123. The reversal of 4014002121 is 1212004104.

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 4014002121 - 2⁷ = 4014001993 is a prime.

It is a super-3 number, since 3×4014002121³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4014002121.

It is not an unprimeable number, because it can be changed into a prime (4014002123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669000351 + ... + 669000356.

It is an arithmetic number, because the mean of its divisors is an integer number (1338000708).

Almost surely, 2^4014002121 is an apocalyptic number.

It is an amenable number.

4014002121 is a deficient number, since it is larger than the sum of its proper divisors (1338000711).

4014002121 is a wasteful number, since it uses less digits than its factorization.

4014002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338000710.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4014002121 is about 63356.1529845366. The cubic root of 4014002121 is about 1589.2511433447.

Adding to 4014002121 its reverse (1212004104), we get a palindrome (5226006225).

The spelling of 4014002121 in words is "four billion, fourteen million, two thousand, one hundred twenty-one".