1042139067 has 16 divisors (see below), whose sum is σ = 1418575872. Its totient is φ = 680332320.

The previous prime is 1042139057. The next prime is 1042139069. The reversal of 1042139067 is 7609312401.

It is not a de Polignac number, because 1042139067 - 2⁴ = 1042139051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042139069) 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, 28998 + ... + 54084.

It is an arithmetic number, because the mean of its divisors is an integer number (88660992).

Almost surely, 2^1042139067 is an apocalyptic number.

1042139067 is a deficient number, since it is larger than the sum of its proper divisors (376436805).

1042139067 is a wasteful number, since it uses less digits than its factorization.

1042139067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25378.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1042139067 is about 32282.1787833473. The cubic root of 1042139067 is about 1013.8535485965.

The spelling of 1042139067 in words is "one billion, forty-two million, one hundred thirty-nine thousand, sixty-seven".