5128915 has 8 divisors (see below), whose sum is σ = 6714288. Its totient is φ = 3730080.

The previous prime is 5128909. The next prime is 5128943. The reversal of 5128915 is 5198215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5128915 - 2¹⁷ = 4997843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46572 + ... + 46681.

It is an arithmetic number, because the mean of its divisors is an integer number (839286).

Almost surely, 2^5128915 is an apocalyptic number.

5128915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5128915 is a deficient number, since it is larger than the sum of its proper divisors (1585373).

5128915 is a wasteful number, since it uses less digits than its factorization.

5128915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93269.

The product of its digits is 3600, while the sum is 31.

The square root of 5128915 is about 2264.7107983140. The cubic root of 5128915 is about 172.4547525377.

The spelling of 5128915 in words is "five million, one hundred twenty-eight thousand, nine hundred fifteen".