1220314121 has 16 divisors (see below), whose sum is σ = 1384669440. Its totient is φ = 1066141440.

The previous prime is 1220314097. The next prime is 1220314153. The reversal of 1220314121 is 1214130221.

It is not a de Polignac number, because 1220314121 - 2³⁰ = 146572297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220314121.

It is not an unprimeable number, because it can be changed into a prime (1220314181) 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 15 ways as a sum of consecutive naturals, for example, 389441 + ... + 392561.

It is an arithmetic number, because the mean of its divisors is an integer number (86541840).

Almost surely, 2^1220314121 is an apocalyptic number.

It is an amenable number.

1220314121 is a deficient number, since it is larger than the sum of its proper divisors (164355319).

1220314121 is a wasteful number, since it uses less digits than its factorization.

1220314121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1220314121 is about 34932.9947327738. The cubic root of 1220314121 is about 1068.6214292812.

Adding to 1220314121 its reverse (1214130221), we get a palindrome (2434444342).

The spelling of 1220314121 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, one hundred twenty-one".