1061042439 has 8 divisors (see below), whose sum is σ = 1414878192. Its totient is φ = 707284160.

The previous prime is 1061042431. The next prime is 1061042483. The reversal of 1061042439 is 9342401601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1061042439 - 2³ = 1061042431 is a prime.

It is a super-2 number, since 2×1061042439² = 2251622114718137442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061042431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32227 + ... + 56219.

It is an arithmetic number, because the mean of its divisors is an integer number (176859774).

Almost surely, 2^1061042439 is an apocalyptic number.

1061042439 is a deficient number, since it is larger than the sum of its proper divisors (353835753).

1061042439 is a wasteful number, since it uses less digits than its factorization.

1061042439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38737.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1061042439 is about 32573.6463878394. The cubic root of 1061042439 is about 1019.9469532197.

The spelling of 1061042439 in words is "one billion, sixty-one million, forty-two thousand, four hundred thirty-nine".