1131479 has 2 divisors, whose sum is σ = 1131480. Its totient is φ = 1131478.

The previous prime is 1131467. The next prime is 1131491. The reversal of 1131479 is 9741311.

It is a balanced prime because it is at equal distance from previous prime (1131467) and next prime (1131491).

It is a cyclic number.

It is not a de Polignac number, because 1131479 - 2⁴ = 1131463 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131419) 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 as a sum of consecutive naturals, namely, 565739 + 565740.

It is an arithmetic number, because the mean of its divisors is an integer number (565740).

2^1131479 is an apocalyptic number.

1131479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131479 is an equidigital number, since it uses as much as digits as its factorization.

1131479 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 1131479 is about 1063.7100168749. The cubic root of 1131479 is about 104.2034663225.

The spelling of 1131479 in words is "one million, one hundred thirty-one thousand, four hundred seventy-nine".