1042084439 has 4 divisors (see below), whose sum is σ = 1136819400. Its totient is φ = 947349480.

The previous prime is 1042084409. The next prime is 1042084441. The reversal of 1042084439 is 9344802401.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1042084439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042084399 and 1042084408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042084409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47367464 + ... + 47367485.

It is an arithmetic number, because the mean of its divisors is an integer number (284204850).

Almost surely, 2^1042084439 is an apocalyptic number.

1042084439 is a deficient number, since it is larger than the sum of its proper divisors (94734961).

1042084439 is an equidigital number, since it uses as much as digits as its factorization.

1042084439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94734960.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1042084439 is about 32281.3326707557. The cubic root of 1042084439 is about 1013.8358331875.

The spelling of 1042084439 in words is "one billion, forty-two million, eighty-four thousand, four hundred thirty-nine".