1220873482 has 8 divisors (see below), whose sum is σ = 1875976452. Its totient is φ = 595548000.

The previous prime is 1220873461. The next prime is 1220873483. The reversal of 1220873482 is 2843780221.

It is a Cunningham number, because it is equal to 34941²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1220873481 + 1 = 34941^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1220873483) 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, 7444269 + ... + 7444432.

Almost surely, 2^1220873482 is an apocalyptic number.

1220873482 is a deficient number, since it is larger than the sum of its proper divisors (655102970).

1220873482 is a wasteful number, since it uses less digits than its factorization.

1220873482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14888744.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 1220873482 is about 34941.0000143098. Note that the first 4 decimals coincide. The cubic root of 1220873482 is about 1068.7846806479.

The spelling of 1220873482 in words is "one billion, two hundred twenty million, eight hundred seventy-three thousand, four hundred eighty-two".