1239039048 has 48 divisors (see below), whose sum is σ = 3354214320. Its totient is φ = 381241536.

The previous prime is 1239039047. The next prime is 1239039059. The reversal of 1239039048 is 8409309321.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1239038997 and 1239039015.

It is not an unprimeable number, because it can be changed into a prime (1239039041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148686 + ... + 156797.

It is an arithmetic number, because the mean of its divisors is an integer number (69879465).

Almost surely, 2^1239039048 is an apocalyptic number.

It is an amenable number.

1239039048 is an abundant number, since it is smaller than the sum of its proper divisors (2115175272).

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

1239039048 is a wasteful number, since it uses less digits than its factorization.

1239039048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305518 (or 305501 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1239039048 is about 35199.9864772701. The cubic root of 1239039048 is about 1074.0594760539.

The spelling of 1239039048 in words is "one billion, two hundred thirty-nine million, thirty-nine thousand, forty-eight".