5127221 has 8 divisors (see below), whose sum is σ = 5612544. Its totient is φ = 4645120.

The previous prime is 5127203. The next prime is 5127247. The reversal of 5127221 is 1227215.

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 5127221 - 2²² = 932917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5127193 and 5127202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120221) 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, 3605 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (701568).

Almost surely, 2^5127221 is an apocalyptic number.

It is an amenable number.

5127221 is a deficient number, since it is larger than the sum of its proper divisors (485323).

5127221 is a wasteful number, since it uses less digits than its factorization.

5127221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its digits is 280, while the sum is 20.

The square root of 5127221 is about 2264.3367682392. The cubic root of 5127221 is about 172.4357640824.

It can be divided in two parts, 51 and 27221, that added together give a palindrome (27272).

The spelling of 5127221 in words is "five million, one hundred twenty-seven thousand, two hundred twenty-one".