1142277 has 8 divisors (see below), whose sum is σ = 1528800. Its totient is φ = 758640.

The previous prime is 1142269. The next prime is 1142279. The reversal of 1142277 is 7722411.

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

It is not a de Polignac number, because 1142277 - 2³ = 1142269 is a prime.

1142277 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142279) 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, 502 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

2^1142277 is an apocalyptic number.

It is an amenable number.

1142277 is a deficient number, since it is larger than the sum of its proper divisors (386523).

1142277 is a wasteful number, since it uses less digits than its factorization.

1142277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its digits is 784, while the sum is 24.

The square root of 1142277 is about 1068.7735962307. The cubic root of 1142277 is about 104.5338977201.

Adding to 1142277 its reverse (7722411), we get a palindrome (8864688).

The spelling of 1142277 in words is "one million, one hundred forty-two thousand, two hundred seventy-seven".