1142167 has 8 divisors (see below), whose sum is σ = 1243424. Its totient is φ = 1042848.

The previous prime is 1142161. The next prime is 1142171. The reversal of 1142167 is 7612411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142167 - 2³ = 1142159 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (155428).

2^1142167 is an apocalyptic number.

1142167 is a deficient number, since it is larger than the sum of its proper divisors (101257).

1142167 is a wasteful number, since it uses less digits than its factorization.

1142167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

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

The square root of 1142167 is about 1068.7221341396. The cubic root of 1142167 is about 104.5305421131.

Adding to 1142167 its reverse (7612411), we get a palindrome (8754578).

The spelling of 1142167 in words is "one million, one hundred forty-two thousand, one hundred sixty-seven".