101200415 has 4 divisors (see below), whose sum is σ = 121440504. Its totient is φ = 80960328.

The previous prime is 101200409. The next prime is 101200417. The reversal of 101200415 is 514002101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514002101 = 7541 ⋅68161.

It is a cyclic number.

It is not a de Polignac number, because 101200415 - 2¹⁰ = 101199391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101200415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200417) 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 3 ways as a sum of consecutive naturals, for example, 10120037 + ... + 10120046.

It is an arithmetic number, because the mean of its divisors is an integer number (30360126).

Almost surely, 2^101200415 is an apocalyptic number.

101200415 is a deficient number, since it is larger than the sum of its proper divisors (20240089).

101200415 is an equidigital number, since it uses as much as digits as its factorization.

101200415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20240088.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 101200415 is about 10059.8416985557. The cubic root of 101200415 is about 466.0087784700.

Adding to 101200415 its reverse (514002101), we get a palindrome (615202516).

The spelling of 101200415 in words is "one hundred one million, two hundred thousand, four hundred fifteen".