4151042121 has 4 divisors (see below), whose sum is σ = 5534722832. Its totient is φ = 2767361412.

The previous prime is 4151042087. The next prime is 4151042183. The reversal of 4151042121 is 1212401514.

4151042121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 4151042121 - 2¹⁷ = 4150911049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4151042191) 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, 691840351 + ... + 691840356.

It is an arithmetic number, because the mean of its divisors is an integer number (1383680708).

Almost surely, 2^4151042121 is an apocalyptic number.

It is an amenable number.

4151042121 is a deficient number, since it is larger than the sum of its proper divisors (1383680711).

4151042121 is a wasteful number, since it uses less digits than its factorization.

4151042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383680710.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 4151042121 is about 64428.5815535310. The cubic root of 4151042121 is about 1607.1350772121.

Adding to 4151042121 its reverse (1212401514), we get a palindrome (5363443635).

The spelling of 4151042121 in words is "four billion, one hundred fifty-one million, forty-two thousand, one hundred twenty-one".