1239048816 has 20 divisors (see below), whose sum is σ = 3200876232. Its totient is φ = 413016256.

The previous prime is 1239048781. The next prime is 1239048821. The reversal of 1239048816 is 6188409321.

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, 12906711 + ... + 12906806.

Almost surely, 2^1239048816 is an apocalyptic number.

1239048816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1239048816 is an abundant number, since it is smaller than the sum of its proper divisors (1961827416).

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

1239048816 is a wasteful number, since it uses less digits than its factorization.

1239048816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25813528 (or 25813522 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1239048816 is about 35200.1252270500. The cubic root of 1239048816 is about 1074.0622985061.

The spelling of 1239048816 in words is "one billion, two hundred thirty-nine million, forty-eight thousand, eight hundred sixteen".