1220471067 has 8 divisors (see below), whose sum is σ = 1666985040. Its totient is φ = 793802240.

The previous prime is 1220471059. The next prime is 1220471081. The reversal of 1220471067 is 7601740221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220471067 - 2³ = 1220471059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220471017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4961142 + ... + 4961387.

It is an arithmetic number, because the mean of its divisors is an integer number (208373130).

Almost surely, 2^1220471067 is an apocalyptic number.

1220471067 is a deficient number, since it is larger than the sum of its proper divisors (446513973).

1220471067 is an equidigital number, since it uses as much as digits as its factorization.

1220471067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922573.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 1220471067 is about 34935.2410468283. The cubic root of 1220471067 is about 1068.6672395270.

The spelling of 1220471067 in words is "one billion, two hundred twenty million, four hundred seventy-one thousand, sixty-seven".