1238112768 has 80 divisors (see below), whose sum is σ = 3345160896. Its totient is φ = 406855680.

The previous prime is 1238112767. The next prime is 1238112769. The reversal of 1238112768 is 8672118321.

It is an interprime number because it is at equal distance from previous prime (1238112767) and next prime (1238112769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238112767) 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, 103380 + ... + 114732.

Almost surely, 2^1238112768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238112768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672580448).

1238112768 is an abundant number, since it is smaller than the sum of its proper divisors (2107048128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238112768 is an equidigital number, since it uses as much as digits as its factorization.

1238112768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11445 (or 11429 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 1238112768 is about 35186.8266258837. The cubic root of 1238112768 is about 1073.7917611035.

The spelling of 1238112768 in words is "one billion, two hundred thirty-eight million, one hundred twelve thousand, seven hundred sixty-eight".