1238306107 has 4 divisors (see below), whose sum is σ = 1239703056. Its totient is φ = 1236909160.

The previous prime is 1238306099. The next prime is 1238306117. The reversal of 1238306107 is 7016038321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7016038321 = 317 ⋅22132613.

It is a cyclic number.

It is not a de Polignac number, because 1238306107 - 2³ = 1238306099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238306117) 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, 697144 + ... + 698917.

It is an arithmetic number, because the mean of its divisors is an integer number (309925764).

Almost surely, 2^1238306107 is an apocalyptic number.

1238306107 is a deficient number, since it is larger than the sum of its proper divisors (1396949).

1238306107 is an equidigital number, since it uses as much as digits as its factorization.

1238306107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396948.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1238306107 is about 35189.5738394201. The cubic root of 1238306107 is about 1073.8476512791.

The spelling of 1238306107 in words is "one billion, two hundred thirty-eight million, three hundred six thousand, one hundred seven".