1142067 has 6 divisors (see below), whose sum is σ = 1525228. Its totient is φ = 760144.

The previous prime is 1142059. The next prime is 1142069. The reversal of 1142067 is 7602411.

It is not a de Polignac number, because 1142067 - 2³ = 1142059 is a prime.

It is a Duffinian number.

1142067 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1142069) 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 5 ways as a sum of consecutive naturals, for example, 1543 + ... + 2159.

2^1142067 is an apocalyptic number.

1142067 is a deficient number, since it is larger than the sum of its proper divisors (383161).

1142067 is an frugal number, since it uses more digits than its factorization.

1142067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1142067 is about 1068.6753482700. The cubic root of 1142067 is about 104.5274913744.

Adding to 1142067 its reverse (7602411), we get a palindrome (8744478).

The spelling of 1142067 in words is "one million, one hundred forty-two thousand, sixty-seven".