105238907 has 4 divisors (see below), whose sum is σ = 105292560. Its totient is φ = 105185256.

The previous prime is 105238901. The next prime is 105238919. The reversal of 105238907 is 709832501.

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

It is a cyclic number.

It is not a de Polignac number, because 105238907 - 2¹⁶ = 105173371 is a prime.

It is a super-2 number, since 2×105238907² = 22150455093109298, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105238901) 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, 23768 + ... + 27845.

It is an arithmetic number, because the mean of its divisors is an integer number (26323140).

Almost surely, 2^105238907 is an apocalyptic number.

105238907 is a deficient number, since it is larger than the sum of its proper divisors (53653).

105238907 is an equidigital number, since it uses as much as digits as its factorization.

105238907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53652.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 105238907 is about 10258.6016103561. The cubic root of 105238907 is about 472.1269333873.

The spelling of 105238907 in words is "one hundred five million, two hundred thirty-eight thousand, nine hundred seven".