1238942848 has 128 divisors (see below), whose sum is σ = 2930256000. Its totient is φ = 514375680.

The previous prime is 1238942839. The next prime is 1238942927. The reversal of 1238942848 is 8482498321.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1238942848² = 3069958761220702208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068053 + ... + 2068651.

It is an arithmetic number, because the mean of its divisors is an integer number (22892625).

Almost surely, 2^1238942848 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 1238942848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465128000).

1238942848 is an abundant number, since it is smaller than the sum of its proper divisors (1691313152).

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

1238942848 is a wasteful number, since it uses less digits than its factorization.

1238942848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 738 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The square root of 1238942848 is about 35198.6199729478. The cubic root of 1238942848 is about 1074.0316783839.

The spelling of 1238942848 in words is "one billion, two hundred thirty-eight million, nine hundred forty-two thousand, eight hundred forty-eight".