1141739 has 2 divisors, whose sum is σ = 1141740. Its totient is φ = 1141738.

The previous prime is 1141717. The next prime is 1141757. The reversal of 1141739 is 9371411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141739 - 2¹⁶ = 1076203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1141769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570869 + 570870.

It is an arithmetic number, because the mean of its divisors is an integer number (570870).

2^1141739 is an apocalyptic number.

1141739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141739 is an equidigital number, since it uses as much as digits as its factorization.

1141739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 26.

The square root of 1141739 is about 1068.5218762384. The cubic root of 1141739 is about 104.5174837012.

The spelling of 1141739 in words is "one million, one hundred forty-one thousand, seven hundred thirty-nine".