1167142 has 8 divisors (see below), whose sum is σ = 1755432. Its totient is φ = 582000.

The previous prime is 1167139. The next prime is 1167143. The reversal of 1167142 is 2417611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (219429).

2^1167142 is an apocalyptic number.

1167142 is a deficient number, since it is larger than the sum of its proper divisors (588290).

1167142 is an equidigital number, since it uses as much as digits as its factorization.

1167142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its digits is 336, while the sum is 22.

The square root of 1167142 is about 1080.3434639040. The cubic root of 1167142 is about 105.2869550495.

The spelling of 1167142 in words is "one million, one hundred sixty-seven thousand, one hundred forty-two".