1220270675 has 24 divisors (see below), whose sum is σ = 1660299984. Its totient is φ = 884108160.

The previous prime is 1220270663. The next prime is 1220270683. The reversal of 1220270675 is 5760720221.

It is not a de Polignac number, because 1220270675 - 2²² = 1216076371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18197 + ... + 52646.

It is an arithmetic number, because the mean of its divisors is an integer number (69179166).

Almost surely, 2^1220270675 is an apocalyptic number.

1220270675 is a deficient number, since it is larger than the sum of its proper divisors (440029309).

1220270675 is a wasteful number, since it uses less digits than its factorization.

1220270675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70919 (or 70914 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1220270675 is about 34932.3728796084. The cubic root of 1220270675 is about 1068.6087473341.

Adding to 1220270675 its reverse (5760720221), we get a palindrome (6980990896).

The spelling of 1220270675 in words is "one billion, two hundred twenty million, two hundred seventy thousand, six hundred seventy-five".