105104647 has 4 divisors (see below), whose sum is σ = 106827736. Its totient is φ = 103381560.

The previous prime is 105104633. The next prime is 105104653. The reversal of 105104647 is 746401501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746401501 = 47 ⋅15880883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105104647 is a prime.

It is a super-2 number, since 2×105104647² = 22093973641989218, 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 (105104617) 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, 861453 + ... + 861574.

It is an arithmetic number, because the mean of its divisors is an integer number (26706934).

Almost surely, 2^105104647 is an apocalyptic number.

105104647 is a deficient number, since it is larger than the sum of its proper divisors (1723089).

105104647 is an equidigital number, since it uses as much as digits as its factorization.

105104647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723088.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 105104647 is about 10252.0557450689. The cubic root of 105104647 is about 471.9260737783.

The spelling of 105104647 in words is "one hundred five million, one hundred four thousand, six hundred forty-seven".