101201525 has 6 divisors (see below), whose sum is σ = 125489922. Its totient is φ = 80961200.

The previous prime is 101201521. The next prime is 101201531. The reversal of 101201525 is 525102101.

It can be written as a sum of positive squares in 3 ways, for example, as 29138404 + 72063121 = 5398^2 + 8489^2 .

It is not a de Polignac number, because 101201525 - 2² = 101201521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2024006 + ... + 2024055.

It is an arithmetic number, because the mean of its divisors is an integer number (20914987).

Almost surely, 2^101201525 is an apocalyptic number.

It is an amenable number.

101201525 is a deficient number, since it is larger than the sum of its proper divisors (24288397).

101201525 is an equidigital number, since it uses as much as digits as its factorization.

101201525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048071 (or 4048066 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 101201525 is about 10059.8968682586. The cubic root of 101201525 is about 466.0104822438.

Adding to 101201525 its reverse (525102101), we get a palindrome (626303626).

The spelling of 101201525 in words is "one hundred one million, two hundred one thousand, five hundred twenty-five".