1220982 has 24 divisors (see below), whose sum is σ = 2841336. Its totient is φ = 348768.

The previous prime is 1220981. The next prime is 1220983. The reversal of 1220982 is 2890221.

It is an interprime number because it is at equal distance from previous prime (1220981) and next prime (1220983).

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1783 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (118389).

2^1220982 is an apocalyptic number.

1220982 is an abundant number, since it is smaller than the sum of its proper divisors (1620354).

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

1220982 is a wasteful number, since it uses less digits than its factorization.

1220982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4165 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1220982 is about 1104.9805428151. The cubic root of 1220982 is about 106.8816346211.

The spelling of 1220982 in words is "one million, two hundred twenty thousand, nine hundred eighty-two".