5120881 has 4 divisors (see below), whose sum is σ = 5343552. Its totient is φ = 4898212.

The previous prime is 5120879. The next prime is 5120887. The reversal of 5120881 is 1880215.

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 5120881 - 2¹ = 5120879 is a prime.

It is a super-2 number, since 2×5120881² = 52446844432322, which contains 22 as substring.

It is a Duffinian number.

5120881 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111301 + ... + 111346.

It is an arithmetic number, because the mean of its divisors is an integer number (1335888).

Almost surely, 2^5120881 is an apocalyptic number.

It is an amenable number.

5120881 is a deficient number, since it is larger than the sum of its proper divisors (222671).

5120881 is a wasteful number, since it uses less digits than its factorization.

5120881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222670.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 5120881 is about 2262.9363667589. The cubic root of 5120881 is about 172.3646603489.

The spelling of 5120881 in words is "five million, one hundred twenty thousand, eight hundred eighty-one".