105122001 has 4 divisors (see below), whose sum is σ = 140162672. Its totient is φ = 70081332.

The previous prime is 105121993. The next prime is 105122009. The reversal of 105122001 is 100221501.

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 an interprime number because it is at equal distance from previous prime (105121993) and next prime (105122009).

It is not a de Polignac number, because 105122001 - 2³ = 105121993 is a prime.

It is a super-2 number, since 2×105122001² = 22101270188488002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105122009) 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, 17520331 + ... + 17520336.

It is an arithmetic number, because the mean of its divisors is an integer number (35040668).

Almost surely, 2^105122001 is an apocalyptic number.

It is an amenable number.

105122001 is a deficient number, since it is larger than the sum of its proper divisors (35040671).

105122001 is an equidigital number, since it uses as much as digits as its factorization.

105122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35040670.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 105122001 is about 10252.9020769731. The cubic root of 105122001 is about 471.9520458439.

Adding to 105122001 its reverse (100221501), we get a palindrome (205343502).

The spelling of 105122001 in words is "one hundred five million, one hundred twenty-two thousand, one".