1200679 has 2 divisors, whose sum is σ = 1200680. Its totient is φ = 1200678.

The previous prime is 1200673. The next prime is 1200691. The reversal of 1200679 is 9760021.

It is a weak prime.

It is an emirp because it is prime and its reverse (9760021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200679 - 2⁹ = 1200167 is a prime.

It is a super-2 number, since 2×1200679² = 2883260122082, which contains 22 as substring.

1200679 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600339 + 600340.

It is an arithmetic number, because the mean of its divisors is an integer number (600340).

2^1200679 is an apocalyptic number.

1200679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200679 is an equidigital number, since it uses as much as digits as its factorization.

1200679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1200679 is about 1095.7549908625. The cubic root of 1200679 is about 106.2858960605.

The spelling of 1200679 in words is "one million, two hundred thousand, six hundred seventy-nine".