1220410165 has 16 divisors (see below), whose sum is σ = 1578761856. Its totient is φ = 900302400.

The previous prime is 1220410129. The next prime is 1220410187. The reversal of 1220410165 is 5610140221.

It is not a de Polignac number, because 1220410165 - 2¹¹ = 1220408117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57910 + ... + 76120.

It is an arithmetic number, because the mean of its divisors is an integer number (98672616).

Almost surely, 2^1220410165 is an apocalyptic number.

It is an amenable number.

1220410165 is a deficient number, since it is larger than the sum of its proper divisors (358351691).

1220410165 is a wasteful number, since it uses less digits than its factorization.

1220410165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19260.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1220410165 is about 34934.3693946234. The cubic root of 1220410165 is about 1068.6494635888.

Adding to 1220410165 its reverse (5610140221), we get a palindrome (6830550386).

The spelling of 1220410165 in words is "one billion, two hundred twenty million, four hundred ten thousand, one hundred sixty-five".