1220114144 has 24 divisors (see below), whose sum is σ = 2407550040. Its totient is φ = 608672896.

The previous prime is 1220114081. The next prime is 1220114149. The reversal of 1220114144 is 4414110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220114149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28859 + ... + 57210.

It is an arithmetic number, because the mean of its divisors is an integer number (100314585).

Almost surely, 2^1220114144 is an apocalyptic number.

It is an amenable number.

1220114144 is a deficient number, since it is larger than the sum of its proper divisors (1187435896).

1220114144 is an equidigital number, since it uses as much as digits as its factorization.

1220114144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86522 (or 86514 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1220114144 is about 34930.1323215358. The cubic root of 1220114144 is about 1068.5630532237.

Adding to 1220114144 its reverse (4414110221), we get a palindrome (5634224365).

The spelling of 1220114144 in words is "one billion, two hundred twenty million, one hundred fourteen thousand, one hundred forty-four".