105131501 has 4 divisors (see below), whose sum is σ = 105660000. Its totient is φ = 104603004.

The previous prime is 105131491. The next prime is 105131549.

105131501 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105131501 - 2⁶ = 105131437 is a prime.

It is a super-2 number, since 2×105131501² = 22105265005026002, which contains 22 as substring.

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 105131501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105131401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263951 + ... + 264348.

It is an arithmetic number, because the mean of its divisors is an integer number (26415000).

Almost surely, 2^105131501 is an apocalyptic number.

It is an amenable number.

105131501 is a deficient number, since it is larger than the sum of its proper divisors (528499).

105131501 is an equidigital number, since it uses as much as digits as its factorization.

105131501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528498.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 105131501 is about 10253.3653499717. The cubic root of 105131501 is about 471.9662623712.

The spelling of 105131501 in words is "one hundred five million, one hundred thirty-one thousand, five hundred one".