4023121 has 8 divisors (see below), whose sum is σ = 4158720. Its totient is φ = 3889008.

The previous prime is 4023113. The next prime is 4023127. The reversal of 4023121 is 1213204.

4023121 = T₆₃ + T₆₄ + ... + T₂₈₉.

4023121 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4023121 - 2³ = 4023113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8160 + ... + 8638.

It is an arithmetic number, because the mean of its divisors is an integer number (519840).

Almost surely, 2^4023121 is an apocalyptic number.

It is an amenable number.

4023121 is a deficient number, since it is larger than the sum of its proper divisors (135599).

4023121 is a wasteful number, since it uses less digits than its factorization.

4023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4023121 is about 2005.7719212313. The cubic root of 4023121 is about 159.0453702783.

Adding to 4023121 its reverse (1213204), we get a palindrome (5236325).

The spelling of 4023121 in words is "four million, twenty-three thousand, one hundred twenty-one".