5122872 has 64 divisors (see below), whose sum is σ = 14637600. Its totient is φ = 1658880.

The previous prime is 5122867. The next prime is 5122877. The reversal of 5122872 is 2782215.

It is an interprime number because it is at equal distance from previous prime (5122867) and next prime (5122877).

It is a super-3 number, since 3×5122872³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122877) 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 15 ways as a sum of consecutive naturals, for example, 7672 + ... + 8312.

Almost surely, 2^5122872 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 5122872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7318800).

5122872 is an abundant number, since it is smaller than the sum of its proper divisors (9514728).

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

5122872 is a wasteful number, since it uses less digits than its factorization.

5122872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 683 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 5122872 is about 2263.3762391613. The cubic root of 5122872 is about 172.3869959309.

The spelling of 5122872 in words is "five million, one hundred twenty-two thousand, eight hundred seventy-two".