1142837 has 2 divisors, whose sum is σ = 1142838. Its totient is φ = 1142836.

The previous prime is 1142833. The next prime is 1142851. The reversal of 1142837 is 7382411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100401 + 42436 = 1049^2 + 206^2 .

It is an emirp because it is prime and its reverse (7382411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142837 - 2² = 1142833 is a prime.

It is a super-3 number, since 3×1142837³ = 4477897333619310759, which contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571418 + 571419.

It is an arithmetic number, because the mean of its divisors is an integer number (571419).

2^1142837 is an apocalyptic number.

It is an amenable number.

1142837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142837 is an equidigital number, since it uses as much as digits as its factorization.

1142837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 1142837 is about 1069.0355466494. The cubic root of 1142837 is about 104.5509774707.

The spelling of 1142837 in words is "one million, one hundred forty-two thousand, eight hundred thirty-seven".