4120881 has 4 divisors (see below), whose sum is σ = 5494512. Its totient is φ = 2747252.

The previous prime is 4120873. The next prime is 4120889. The reversal of 4120881 is 1880214.

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 an interprime number because it is at equal distance from previous prime (4120873) and next prime (4120889).

It is a cyclic number.

It is not a de Polignac number, because 4120881 - 2³ = 4120873 is a prime.

It is a super-2 number, since 2×4120881² = 33963320432322, which contains 22 as substring.

It is a D-number.

4120881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4120889) 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, 686811 + ... + 686816.

It is an arithmetic number, because the mean of its divisors is an integer number (1373628).

Almost surely, 2^4120881 is an apocalyptic number.

It is an amenable number.

4120881 is a deficient number, since it is larger than the sum of its proper divisors (1373631).

4120881 is a wasteful number, since it uses less digits than its factorization.

4120881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373630.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 4120881 is about 2029.9953201917. The cubic root of 4120881 is about 160.3233175750.

The spelling of 4120881 in words is "four million, one hundred twenty thousand, eight hundred eighty-one".