105663101 has 4 divisors (see below), whose sum is σ = 105834972. Its totient is φ = 105491232.

The previous prime is 105663091. The next prime is 105663121. The reversal of 105663101 is 101366501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7672900 + 97990201 = 2770^2 + 9899^2 .

It is a cyclic number.

It is not a de Polignac number, because 105663101 - 2¹⁸ = 105400957 is a prime.

It is a super-2 number, since 2×105663101² = 22329381825872402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105663121) 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, 85010 + ... + 86243.

It is an arithmetic number, because the mean of its divisors is an integer number (26458743).

Almost surely, 2^105663101 is an apocalyptic number.

It is an amenable number.

105663101 is a deficient number, since it is larger than the sum of its proper divisors (171871).

105663101 is an equidigital number, since it uses as much as digits as its factorization.

105663101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171870.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 105663101 is about 10279.2558582808. The cubic root of 105663101 is about 472.7604282723.

The spelling of 105663101 in words is "one hundred five million, six hundred sixty-three thousand, one hundred one".