1048539209 has 16 divisors (see below), whose sum is σ = 1131278400. Its totient is φ = 968208384.

The previous prime is 1048539179. The next prime is 1048539221. The reversal of 1048539209 is 9029358401.

It is a cyclic number.

It is not a de Polignac number, because 1048539209 - 2¹² = 1048535113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048539229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860969 + ... + 862185.

It is an arithmetic number, because the mean of its divisors is an integer number (70704900).

Almost surely, 2^1048539209 is an apocalyptic number.

It is an amenable number.

1048539209 is a deficient number, since it is larger than the sum of its proper divisors (82739191).

1048539209 is a wasteful number, since it uses less digits than its factorization.

1048539209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1048539209 is about 32381.1551523413. The cubic root of 1048539209 is about 1015.9247911887.

It can be divided in two parts, 10485 and 39209, that added together give a palindrome (49694).

The spelling of 1048539209 in words is "one billion, forty-eight million, five hundred thirty-nine thousand, two hundred nine".