4101640121 has 4 divisors (see below), whose sum is σ = 4101792912. Its totient is φ = 4101487332.

The previous prime is 4101640093. The next prime is 4101640141. The reversal of 4101640121 is 1210461014.

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 4101640121 - 2¹⁴ = 4101623737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4101640093 and 4101640102.

It is not an unprimeable number, because it can be changed into a prime (4101640141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24275 + ... + 93768.

It is an arithmetic number, because the mean of its divisors is an integer number (1025448228).

Almost surely, 2^4101640121 is an apocalyptic number.

It is an amenable number.

4101640121 is a deficient number, since it is larger than the sum of its proper divisors (152791).

4101640121 is a wasteful number, since it uses less digits than its factorization.

4101640121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152790.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 4101640121 is about 64044.0482870969. The cubic root of 4101640121 is about 1600.7340539317.

The spelling of 4101640121 in words is "four billion, one hundred one million, six hundred forty thousand, one hundred twenty-one".