1306122 has 8 divisors (see below), whose sum is σ = 2612256. Its totient is φ = 435372.

The previous prime is 1306121. The next prime is 1306133. The reversal of 1306122 is 2216031.

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

1306122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1306121) 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 3 ways as a sum of consecutive naturals, for example, 108838 + ... + 108849.

It is an arithmetic number, because the mean of its divisors is an integer number (326532).

2^1306122 is an apocalyptic number.

1306122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306122 is a wasteful number, since it uses less digits than its factorization.

1306122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217692.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1306122 is about 1142.8569464286. The cubic root of 1306122 is about 109.3103407761.

Subtracting 1306122 from its reverse (2216031), we obtain a palindrome (909909).

The spelling of 1306122 in words is "one million, three hundred six thousand, one hundred twenty-two".