1042057539 has 36 divisors (see below), whose sum is σ = 1568557536. Its totient is φ = 666334656.

The previous prime is 1042057537. The next prime is 1042057547. The reversal of 1042057539 is 9357502401.

1042057539 is a `hidden beast` number, since 10 + 42 + 0 + 575 + 39 = 666.

It is not a de Polignac number, because 1042057539 - 2¹ = 1042057537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042057531) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1187769 + ... + 1188645.

Almost surely, 2^1042057539 is an apocalyptic number.

1042057539 is a deficient number, since it is larger than the sum of its proper divisors (526499997).

1042057539 is an equidigital number, since it uses as much as digits as its factorization.

1042057539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1042057539 is about 32280.9160186015. The cubic root of 1042057539 is about 1013.8271095123.

The spelling of 1042057539 in words is "one billion, forty-two million, fifty-seven thousand, five hundred thirty-nine".