1238268607 has 4 divisors (see below), whose sum is σ = 1256750296. Its totient is φ = 1219786920.

The previous prime is 1238268583. The next prime is 1238268623. The reversal of 1238268607 is 7068628321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1238268607 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 (1238268107) 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, 9240744 + ... + 9240877.

It is an arithmetic number, because the mean of its divisors is an integer number (314187574).

Almost surely, 2^1238268607 is an apocalyptic number.

1238268607 is a deficient number, since it is larger than the sum of its proper divisors (18481689).

1238268607 is an equidigital number, since it uses as much as digits as its factorization.

1238268607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18481688.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 1238268607 is about 35189.0410071090. The cubic root of 1238268607 is about 1073.8368112848.

The spelling of 1238268607 in words is "one billion, two hundred thirty-eight million, two hundred sixty-eight thousand, six hundred seven".