1042539543 has 6 divisors (see below), whose sum is σ = 1505890464. Its totient is φ = 695026356.

The previous prime is 1042539541. The next prime is 1042539581. The reversal of 1042539543 is 3459352401.

1042539543 is a `hidden beast` number, since 104 + 2 + 5 + 3 + 9 + 543 = 666.

It is not a de Polignac number, because 1042539543 - 2¹ = 1042539541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042539498 and 1042539507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042539541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57918855 + ... + 57918872.

It is an arithmetic number, because the mean of its divisors is an integer number (250981744).

Almost surely, 2^1042539543 is an apocalyptic number.

1042539543 is a deficient number, since it is larger than the sum of its proper divisors (463350921).

1042539543 is a wasteful number, since it uses less digits than its factorization.

1042539543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115837733 (or 115837730 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1042539543 is about 32288.3809287490. The cubic root of 1042539543 is about 1013.9834007530.

The spelling of 1042539543 in words is "one billion, forty-two million, five hundred thirty-nine thousand, five hundred forty-three".