5122151 has 4 divisors (see below), whose sum is σ = 5423472. Its totient is φ = 4820832.

The previous prime is 5122147. The next prime is 5122163. The reversal of 5122151 is 1512215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1512215 = 5 ⋅302443.

It is a cyclic number.

It is not a de Polignac number, because 5122151 - 2² = 5122147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 301303 = 5122151 / (5 + 1 + 2 + 2 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122111) 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, 150635 + ... + 150668.

It is an arithmetic number, because the mean of its divisors is an integer number (1355868).

Almost surely, 2^5122151 is an apocalyptic number.

5122151 is a deficient number, since it is larger than the sum of its proper divisors (301321).

5122151 is a wasteful number, since it uses less digits than its factorization.

5122151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301320.

The product of its digits is 100, while the sum is 17.

The square root of 5122151 is about 2263.2169582256. The cubic root of 5122151 is about 172.3789082244.

Adding to 5122151 its reverse (1512215), we get a palindrome (6634366).

The spelling of 5122151 in words is "five million, one hundred twenty-two thousand, one hundred fifty-one".