1239841248 has 24 divisors (see below), whose sum is σ = 3254583528. Its totient is φ = 413280384.

The previous prime is 1239841201. The next prime is 1239841277. The reversal of 1239841248 is 8421489321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6457411 + ... + 6457602.

It is an arithmetic number, because the mean of its divisors is an integer number (135607647).

Almost surely, 2^1239841248 is an apocalyptic number.

It is an amenable number.

1239841248 is an abundant number, since it is smaller than the sum of its proper divisors (2014742280).

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

1239841248 is a wasteful number, since it uses less digits than its factorization.

1239841248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915026 (or 12915018 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 1239841248 is about 35211.3795242390. The cubic root of 1239841248 is about 1074.2912214090.

The spelling of 1239841248 in words is "one billion, two hundred thirty-nine million, eight hundred forty-one thousand, two hundred forty-eight".