1220753466 has 24 divisors (see below), whose sum is σ = 2701243584. Its totient is φ = 398259720.

The previous prime is 1220753441. The next prime is 1220753491. The reversal of 1220753466 is 6643570221.

1220753466 is a `hidden beast` number, since 122 + 0 + 75 + 3 + 466 = 666.

It is an interprime number because it is at equal distance from previous prime (1220753441) and next prime (1220753491).

It is a self number, because there is not a number n which added to its sum of digits gives 1220753466.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 720640 + ... + 722331.

It is an arithmetic number, because the mean of its divisors is an integer number (112551816).

Almost surely, 2^1220753466 is an apocalyptic number.

1220753466 is an abundant number, since it is smaller than the sum of its proper divisors (1480490118).

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

1220753466 is a wasteful number, since it uses less digits than its factorization.

1220753466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443026 (or 1443023 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1220753466 is about 34939.2825627545. The cubic root of 1220753466 is about 1068.7496577818.

The spelling of 1220753466 in words is "one billion, two hundred twenty million, seven hundred fifty-three thousand, four hundred sixty-six".