4101421 has 4 divisors (see below), whose sum is σ = 4114144. Its totient is φ = 4088700.

The previous prime is 4101401. The next prime is 4101431. The reversal of 4101421 is 1241014.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1241014 = 2 ⋅620507.

It is a cyclic number.

It is not a de Polignac number, because 4101421 - 2⁵ = 4101389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5865 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (1028536).

Almost surely, 2^4101421 is an apocalyptic number.

It is an amenable number.

4101421 is a deficient number, since it is larger than the sum of its proper divisors (12723).

4101421 is a wasteful number, since it uses less digits than its factorization.

4101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12722.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 4101421 is about 2025.1965336727. The cubic root of 4101421 is about 160.0705548205.

Adding to 4101421 its reverse (1241014), we get a palindrome (5342435).

The spelling of 4101421 in words is "four million, one hundred one thousand, four hundred twenty-one".