101200025 has 6 divisors (see below), whose sum is σ = 125488062. Its totient is φ = 80960000.

The previous prime is 101200007. The next prime is 101200051. The reversal of 101200025 is 520002101.

It can be written as a sum of positive squares in 3 ways, for example, as 8886361 + 92313664 = 2981^2 + 9608^2 .

It is not a de Polignac number, because 101200025 - 2⁶ = 101199961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101199979 and 101200015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2023976 + ... + 2024025.

It is an arithmetic number, because the mean of its divisors is an integer number (20914677).

Almost surely, 2^101200025 is an apocalyptic number.

It is an amenable number.

101200025 is a deficient number, since it is larger than the sum of its proper divisors (24288037).

101200025 is an equidigital number, since it uses as much as digits as its factorization.

101200025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048011 (or 4048006 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 101200025 is about 10059.8223145342. The cubic root of 101200025 is about 466.0081798438.

Adding to 101200025 its reverse (520002101), we get a palindrome (621202126).

The spelling of 101200025 in words is "one hundred one million, two hundred thousand, twenty-five".