100051125 has 32 divisors (see below), whose sum is σ = 167132160. Its totient is φ = 53153600.

The previous prime is 100051123. The next prime is 100051139. The reversal of 100051125 is 521150001.

It is not a de Polignac number, because 100051125 - 2¹ = 100051123 is a prime.

It is a super-2 number, since 2×100051125² = 20020455227531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100051123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179347 + ... + 179903.

It is an arithmetic number, because the mean of its divisors is an integer number (5222880).

Almost surely, 2^100051125 is an apocalyptic number.

100051125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100051125 is a deficient number, since it is larger than the sum of its proper divisors (67081035).

100051125 is an equidigital number, since it uses as much as digits as its factorization.

100051125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 100051125 is about 10002.5559233628. Note that the first 3 decimals coincide. The cubic root of 100051125 is about 464.2379702948.

It can be divided in two parts, 1000 and 51125, that added together give a palindrome (52125).

The spelling of 100051125 in words is "one hundred million, fifty-one thousand, one hundred twenty-five".