1239107 has 4 divisors (see below), whose sum is σ = 1254120. Its totient is φ = 1224096.

The previous prime is 1239103. The next prime is 1239109. The reversal of 1239107 is 7019321.

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 1239107 - 2² = 1239103 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1239103) 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, 7382 + ... + 7547.

It is an arithmetic number, because the mean of its divisors is an integer number (313530).

2^1239107 is an apocalyptic number.

1239107 is a deficient number, since it is larger than the sum of its proper divisors (15013).

1239107 is an equidigital number, since it uses as much as digits as its factorization.

1239107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1239107 is about 1113.1518315127. The cubic root of 1239107 is about 107.4079110398.

The spelling of 1239107 in words is "one million, two hundred thirty-nine thousand, one hundred seven".