1129679 has 2 divisors, whose sum is σ = 1129680. Its totient is φ = 1129678.

The previous prime is 1129663. The next prime is 1129693. The reversal of 1129679 is 9769211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1129679 - 2⁴ = 1129663 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564839 + 564840.

It is an arithmetic number, because the mean of its divisors is an integer number (564840).

2^1129679 is an apocalyptic number.

1129679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129679 is an equidigital number, since it uses as much as digits as its factorization.

1129679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 35.

The square root of 1129679 is about 1062.8635848499. The cubic root of 1129679 is about 104.1481800438.

The spelling of 1129679 in words is "one million, one hundred twenty-nine thousand, six hundred seventy-nine".