1042171867 has 8 divisors (see below), whose sum is σ = 1152928512. Its totient is φ = 934084200.

The previous prime is 1042171853. The next prime is 1042171873. The reversal of 1042171867 is 7681712401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042171867 is a prime.

It is a super-2 number, since 2×1042171867² = 2172244400732531378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042171817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666423 + ... + 667984.

It is an arithmetic number, because the mean of its divisors is an integer number (144116064).

Almost surely, 2^1042171867 is an apocalyptic number.

1042171867 is a deficient number, since it is larger than the sum of its proper divisors (110756645).

1042171867 is a wasteful number, since it uses less digits than its factorization.

1042171867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334489.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 1042171867 is about 32282.6867995835. The cubic root of 1042171867 is about 1013.8641850681.

The spelling of 1042171867 in words is "one billion, forty-two million, one hundred seventy-one thousand, eight hundred sixty-seven".