105123601 has 4 divisors (see below), whose sum is σ = 114680304. Its totient is φ = 95566900.

The previous prime is 105123587. The next prime is 105123607. The reversal of 105123601 is 106321501.

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 not a de Polignac number, because 105123601 - 2¹¹ = 105121553 is a prime.

It is a super-2 number, since 2×105123601² = 22101942974414402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105123607) 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, 4778335 + ... + 4778356.

It is an arithmetic number, because the mean of its divisors is an integer number (28670076).

Almost surely, 2^105123601 is an apocalyptic number.

105123601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105123601 is a deficient number, since it is larger than the sum of its proper divisors (9556703).

105123601 is an equidigital number, since it uses as much as digits as its factorization.

105123601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9556702.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 105123601 is about 10252.9801033651. The cubic root of 105123601 is about 471.9544402664.

The spelling of 105123601 in words is "one hundred five million, one hundred twenty-three thousand, six hundred one".