105497129 has 4 divisors (see below), whose sum is σ = 106682580. Its totient is φ = 104311680.

The previous prime is 105497111. The next prime is 105497137. The reversal of 105497129 is 921794501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921794501 = 2341 ⋅393761.

It can be written as a sum of positive squares in 2 ways, for example, as 50737129 + 54760000 = 7123^2 + 7400^2 .

It is a cyclic number.

It is not a de Polignac number, because 105497129 - 2¹² = 105493033 is a prime.

It is a super-2 number, since 2×105497129² = 22259288454485282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105497092 and 105497101.

It is not an unprimeable number, because it can be changed into a prime (105497149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592592 + ... + 592769.

It is an arithmetic number, because the mean of its divisors is an integer number (26670645).

Almost surely, 2^105497129 is an apocalyptic number.

It is an amenable number.

105497129 is a deficient number, since it is larger than the sum of its proper divisors (1185451).

105497129 is an equidigital number, since it uses as much as digits as its factorization.

105497129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185450.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 105497129 is about 10271.1795330429. The cubic root of 105497129 is about 472.5127665615.

The spelling of 105497129 in words is "one hundred five million, four hundred ninety-seven thousand, one hundred twenty-nine".