5121100 has 36 divisors (see below), whose sum is σ = 11264904. Its totient is φ = 2020480.

The previous prime is 5121071. The next prime is 5121113. The reversal of 5121100 is 11215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7992 + ... + 8608.

It is an arithmetic number, because the mean of its divisors is an integer number (312914).

Almost surely, 2^5121100 is an apocalyptic number.

5121100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5632452).

5121100 is an abundant number, since it is smaller than the sum of its proper divisors (6143804).

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

5121100 is a wasteful number, since it uses less digits than its factorization.

5121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 5121100 is about 2262.9847546990. The cubic root of 5121100 is about 172.3671174341.

Adding to 5121100 its reverse (11215), we get a palindrome (5132315).

The spelling of 5121100 in words is "five million, one hundred twenty-one thousand, one hundred".