1422079 has 8 divisors (see below), whose sum is σ = 1474560. Its totient is φ = 1370616.

The previous prime is 1422061. The next prime is 1422089. The reversal of 1422079 is 9702241.

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 1422079 - 2¹¹ = 1420031 is a prime.

It is a Duffinian number.

1422079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522 + ... + 3904.

It is an arithmetic number, because the mean of its divisors is an integer number (184320).

2^1422079 is an apocalyptic number.

1422079 is a deficient number, since it is larger than the sum of its proper divisors (52481).

1422079 is an equidigital number, since it uses as much as digits as its factorization.

1422079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1422079 is about 1192.5095387459. The cubic root of 1422079 is about 112.4539136333.

The spelling of 1422079 in words is "one million, four hundred twenty-two thousand, seventy-nine".