1069979 has 2 divisors, whose sum is σ = 1069980. Its totient is φ = 1069978.

The previous prime is 1069973. The next prime is 1069987. The reversal of 1069979 is 9799601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1069979 is a prime.

It is a super-2 number, since 2×1069979² = 2289710120882, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1069973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534989 + 534990.

It is an arithmetic number, because the mean of its divisors is an integer number (534990).

2^1069979 is an apocalyptic number.

1069979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069979 is an equidigital number, since it uses as much as digits as its factorization.

1069979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 1069979 is about 1034.3978924959. The cubic root of 1069979 is about 102.2802430451.

It can be divided in two parts, 1069 and 979, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1069979 in words is "one million, sixty-nine thousand, nine hundred seventy-nine".