105124559 has 4 divisors (see below), whose sum is σ = 109695216. Its totient is φ = 100553904.

The previous prime is 105124553. The next prime is 105124561. The reversal of 105124559 is 955421501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955421501 = 29 ⋅32945569.

It is a cyclic number.

It is not a de Polignac number, because 105124559 - 2⁸ = 105124303 is a prime.

It is a super-2 number, since 2×105124559² = 22102345809888962, 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 (105124553) 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, 2285294 + ... + 2285339.

It is an arithmetic number, because the mean of its divisors is an integer number (27423804).

Almost surely, 2^105124559 is an apocalyptic number.

105124559 is a deficient number, since it is larger than the sum of its proper divisors (4570657).

105124559 is an equidigital number, since it uses as much as digits as its factorization.

105124559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570656.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 105124559 is about 10253.0268213830. The cubic root of 105124559 is about 471.9558739152.

The spelling of 105124559 in words is "one hundred five million, one hundred twenty-four thousand, five hundred fifty-nine".