1238748672 has 80 divisors (see below), whose sum is σ = 3771580032. Its totient is φ = 353925120.

The previous prime is 1238748671. The next prime is 1238748713. The reversal of 1238748672 is 2768478321.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238748671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46854 + ... + 68357.

Almost surely, 2^1238748672 is an apocalyptic number.

1238748672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238748672 is an abundant number, since it is smaller than the sum of its proper divisors (2532831360).

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

1238748672 is an equidigital number, since it uses as much as digits as its factorization.

1238748672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115239 (or 115223 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 1238748672 is about 35195.8615749068. The cubic root of 1238748672 is about 1073.9755654723.

The spelling of 1238748672 in words is "one billion, two hundred thirty-eight million, seven hundred forty-eight thousand, six hundred seventy-two".