1223079 has 16 divisors (see below), whose sum is σ = 1916544. Its totient is φ = 684000.

The previous prime is 1223077. The next prime is 1223083. The reversal of 1223079 is 9703221.

It is not a de Polignac number, because 1223079 - 2¹ = 1223077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223077) 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 15 ways as a sum of consecutive naturals, for example, 997 + ... + 1854.

It is an arithmetic number, because the mean of its divisors is an integer number (119784).

2^1223079 is an apocalyptic number.

1223079 is a deficient number, since it is larger than the sum of its proper divisors (693465).

1223079 is a wasteful number, since it uses less digits than its factorization.

1223079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1223079 is about 1105.9290212306. The cubic root of 1223079 is about 106.9427882929.

The spelling of 1223079 in words is "one million, two hundred twenty-three thousand, seventy-nine".