1239672103 has 4 divisors (see below), whose sum is σ = 1247992200. Its totient is φ = 1231352008.

The previous prime is 1239672097. The next prime is 1239672127. The reversal of 1239672103 is 3012769321.

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 1239672103 - 2⁹ = 1239671591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239672143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159825 + ... + 4160122.

It is an arithmetic number, because the mean of its divisors is an integer number (311998050).

Almost surely, 2^1239672103 is an apocalyptic number.

1239672103 is a deficient number, since it is larger than the sum of its proper divisors (8320097).

1239672103 is an equidigital number, since it uses as much as digits as its factorization.

1239672103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320096.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 1239672103 is about 35208.9775909497. The cubic root of 1239672103 is about 1074.2423658928.

The spelling of 1239672103 in words is "one billion, two hundred thirty-nine million, six hundred seventy-two thousand, one hundred three".