1421079 has 8 divisors (see below), whose sum is σ = 2067072. Its totient is φ = 861240.

The previous prime is 1421041. The next prime is 1421083. The reversal of 1421079 is 9701241.

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

It is a de Polignac number, because none of the positive numbers 2^k-1421079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21499 + ... + 21564.

It is an arithmetic number, because the mean of its divisors is an integer number (258384).

2^1421079 is an apocalyptic number.

1421079 is a deficient number, since it is larger than the sum of its proper divisors (645993).

1421079 is a wasteful number, since it uses less digits than its factorization.

1421079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43077.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1421079 is about 1192.0901811524. The cubic root of 1421079 is about 112.4275484119.

It can be divided in two parts, 142 and 1079, that added together give a palindrome (1221).

The spelling of 1421079 in words is "one million, four hundred twenty-one thousand, seventy-nine".