1206979 has 2 divisors, whose sum is σ = 1206980. Its totient is φ = 1206978.

The previous prime is 1206973. The next prime is 1207001. The reversal of 1206979 is 9796021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1206979 - 2⁹ = 1206467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1206973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603489 + 603490.

It is an arithmetic number, because the mean of its divisors is an integer number (603490).

2^1206979 is an apocalyptic number.

1206979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206979 is an equidigital number, since it uses as much as digits as its factorization.

1206979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1206979 is about 1098.6259600064. The cubic root of 1206979 is about 106.4714670049.

The spelling of 1206979 in words is "one million, two hundred six thousand, nine hundred seventy-nine".