1142759 has 2 divisors, whose sum is σ = 1142760. Its totient is φ = 1142758.

The previous prime is 1142737. The next prime is 1142773. The reversal of 1142759 is 9572411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142759 - 2⁸ = 1142503 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571379 + 571380.

It is an arithmetic number, because the mean of its divisors is an integer number (571380).

2^1142759 is an apocalyptic number.

1142759 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142759 is an equidigital number, since it uses as much as digits as its factorization.

1142759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 1142759 is about 1068.9990645459. Note that the first 3 decimals coincide. The cubic root of 1142759 is about 104.5485988400.

The spelling of 1142759 in words is "one million, one hundred forty-two thousand, seven hundred fifty-nine".