5101272 has 128 divisors (see below), whose sum is σ = 16416000. Its totient is φ = 1451520.

The previous prime is 5101259. The next prime is 5101273. The reversal of 5101272 is 2721015.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45088 + ... + 45200.

It is an arithmetic number, because the mean of its divisors is an integer number (128250).

Almost surely, 2^5101272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5101272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8208000).

5101272 is an abundant number, since it is smaller than the sum of its proper divisors (11314728).

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

5101272 is a wasteful number, since it uses less digits than its factorization.

5101272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 5101272 is about 2258.5995661029. The cubic root of 5101272 is about 172.1443713039.

Adding to 5101272 its reverse (2721015), we get a palindrome (7822287).

The spelling of 5101272 in words is "five million, one hundred one thousand, two hundred seventy-two".