1216079 has 8 divisors (see below), whose sum is σ = 1304160. Its totient is φ = 1130976.

The previous prime is 1216069. The next prime is 1216087. The reversal of 1216079 is 9706121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1216079 - 2¹² = 1211983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216009) 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 in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

2^1216079 is an apocalyptic number.

1216079 is a deficient number, since it is larger than the sum of its proper divisors (88081).

1216079 is a wasteful number, since it uses less digits than its factorization.

1216079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1216079 is about 1102.7597199753. The cubic root of 1216079 is about 106.7383773432.

The spelling of 1216079 in words is "one million, two hundred sixteen thousand, seventy-nine".