1422105 has 16 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 750848.

The previous prime is 1422103. The next prime is 1422107. The reversal of 1422105 is 5012241.

It is an interprime number because it is at equal distance from previous prime (1422103) and next prime (1422107).

It is a cyclic number.

It is not a de Polignac number, because 1422105 - 2¹ = 1422103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1422105 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1422103) 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, 1276 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^1422105 is an apocalyptic number.

1422105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422105 is a deficient number, since it is larger than the sum of its proper divisors (876135).

1422105 is a wasteful number, since it uses less digits than its factorization.

1422105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1422105 is about 1192.5204400764. The cubic root of 1422105 is about 112.4545989642.

Adding to 1422105 its reverse (5012241), we get a palindrome (6434346).

The spelling of 1422105 in words is "one million, four hundred twenty-two thousand, one hundred five".