5101128 has 24 divisors (see below), whose sum is σ = 13815750. Its totient is φ = 1700352.

The previous prime is 5101127. The next prime is 5101141. The reversal of 5101128 is 8211015.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 1483524 = 1902^2 + 1218^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5101128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101127) 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 5 ways as a sum of consecutive naturals, for example, 35353 + ... + 35496.

Almost surely, 2^5101128 is an apocalyptic number.

It is an amenable number.

5101128 is an abundant number, since it is smaller than the sum of its proper divisors (8714622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5101128 is a wasteful number, since it uses less digits than its factorization.

5101128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70861 (or 70854 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 5101128 is about 2258.5676877172. The cubic root of 5101128 is about 172.1427515103.

The spelling of 5101128 in words is "five million, one hundred one thousand, one hundred twenty-eight".