1238105 has 8 divisors (see below), whose sum is σ = 1620864. Its totient is φ = 900400.

The previous prime is 1238101. The next prime is 1238119. The reversal of 1238105 is 5018321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1238105 - 2² = 1238101 is a prime.

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 (1238101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11201 + ... + 11310.

It is an arithmetic number, because the mean of its divisors is an integer number (202608).

2^1238105 is an apocalyptic number.

It is an amenable number.

1238105 is a deficient number, since it is larger than the sum of its proper divisors (382759).

1238105 is a wasteful number, since it uses less digits than its factorization.

1238105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1238105 is about 1112.7016671148. The cubic root of 1238105 is about 107.3789515419.

It can be divided in two parts, 123 and 8105, that added together give a palindrome (8228).

The spelling of 1238105 in words is "one million, two hundred thirty-eight thousand, one hundred five".