101200521 has 8 divisors (see below), whose sum is σ = 135514080. Its totient is φ = 67176992.

The previous prime is 101200471. The next prime is 101200531. The reversal of 101200521 is 125002101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101200521 - 2¹⁵ = 101167753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101200497 and 101200506.

It is not an unprimeable number, because it can be changed into a prime (101200531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71691 + ... + 73088.

It is an arithmetic number, because the mean of its divisors is an integer number (16939260).

Almost surely, 2^101200521 is an apocalyptic number.

It is an amenable number.

101200521 is a deficient number, since it is larger than the sum of its proper divisors (34313559).

101200521 is a wasteful number, since it uses less digits than its factorization.

101200521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145015.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 101200521 is about 10059.8469670269. The cubic root of 101200521 is about 466.0089411732.

Adding to 101200521 its reverse (125002101), we get a palindrome (226202622).

The spelling of 101200521 in words is "one hundred one million, two hundred thousand, five hundred twenty-one".