5122091 has 4 divisors (see below), whose sum is σ = 5516112. Its totient is φ = 4728072.

The previous prime is 5122081. The next prime is 5122111. The reversal of 5122091 is 1902215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5122091 - 2¹⁴ = 5105707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5122081) 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, 196991 + ... + 197016.

It is an arithmetic number, because the mean of its divisors is an integer number (1379028).

Almost surely, 2^5122091 is an apocalyptic number.

5122091 is a deficient number, since it is larger than the sum of its proper divisors (394021).

5122091 is a wasteful number, since it uses less digits than its factorization.

5122091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394020.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 5122091 is about 2263.2037027188. The cubic root of 5122091 is about 172.3782351495.

The spelling of 5122091 in words is "five million, one hundred twenty-two thousand, ninety-one".