105631001 has 8 divisors (see below), whose sum is σ = 120839424. Its totient is φ = 90452160.

The previous prime is 105630971. The next prime is 105631027. The reversal of 105631001 is 100136501.

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 105631001 - 2¹⁴ = 105614617 is a prime.

It is a super-2 number, since 2×105631001² = 22315816744524002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105631501) 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, 881 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (15104928).

Almost surely, 2^105631001 is an apocalyptic number.

It is an amenable number.

105631001 is a deficient number, since it is larger than the sum of its proper divisors (15208423).

105631001 is a wasteful number, since it uses less digits than its factorization.

105631001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14791.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 105631001 is about 10277.6943426043. The cubic root of 105631001 is about 472.7125492220.

Adding to 105631001 its reverse (100136501), we get a palindrome (205767502).

The spelling of 105631001 in words is "one hundred five million, six hundred thirty-one thousand, one".