101001501 has 12 divisors (see below), whose sum is σ = 146008512. Its totient is φ = 67280136.

The previous prime is 101001493. The next prime is 101001521. The reversal of 101001501 is 105100101.

It is not a de Polignac number, because 101001501 - 2³ = 101001493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001521) 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 11 ways as a sum of consecutive naturals, for example, 9610 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (12167376).

Almost surely, 2^101001501 is an apocalyptic number.

It is an amenable number.

101001501 is a deficient number, since it is larger than the sum of its proper divisors (45007011).

101001501 is a wasteful number, since it uses less digits than its factorization.

101001501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040 (or 9037 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 101001501 is about 10049.9502983846. The cubic root of 101001501 is about 465.7032577562.

Adding to 101001501 its reverse (105100101), we get a palindrome (206101602).

The spelling of 101001501 in words is "one hundred one million, one thousand, five hundred one".