5055121 has 4 divisors (see below), whose sum is σ = 5321200. Its totient is φ = 4789044.

The previous prime is 5055109. The next prime is 5055133. The reversal of 5055121 is 1215505.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1215505 = 5 ⋅243101.

It is an interprime number because it is at equal distance from previous prime (5055109) and next prime (5055133).

It is a cyclic number.

It is not a de Polignac number, because 5055121 - 2¹⁹ = 4530833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 266059 = 5055121 / (5 + 0 + 5 + 5 + 1 + 2 + 1).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5055181) 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, 133011 + ... + 133048.

It is an arithmetic number, because the mean of its divisors is an integer number (1330300).

Almost surely, 2^5055121 is an apocalyptic number.

It is an amenable number.

5055121 is a deficient number, since it is larger than the sum of its proper divisors (266079).

5055121 is a wasteful number, since it uses less digits than its factorization.

5055121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266078.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5055121 is about 2248.3596242594. The cubic root of 5055121 is about 171.6236701735.

The spelling of 5055121 in words is "five million, fifty-five thousand, one hundred twenty-one".