101231525 has 12 divisors (see below), whose sum is σ = 132134400. Its totient is φ = 76722480.

The previous prime is 101231491. The next prime is 101231527. The reversal of 101231525 is 525132101.

It is a happy number.

It is not a de Polignac number, because 101231525 - 2¹⁴ = 101215141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101231497 and 101231506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106085 + ... + 107034.

It is an arithmetic number, because the mean of its divisors is an integer number (11011200).

Almost surely, 2^101231525 is an apocalyptic number.

It is an amenable number.

101231525 is a deficient number, since it is larger than the sum of its proper divisors (30902875).

101231525 is a wasteful number, since it uses less digits than its factorization.

101231525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213148 (or 213143 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 101231525 is about 10061.3878267364. The cubic root of 101231525 is about 466.0565254671.

Adding to 101231525 its reverse (525132101), we get a palindrome (626363626).

The spelling of 101231525 in words is "one hundred one million, two hundred thirty-one thousand, five hundred twenty-five".