1220114656 has 12 divisors (see below), whose sum is σ = 2402100792. Its totient is φ = 610057312.

The previous prime is 1220114653. The next prime is 1220114669. The reversal of 1220114656 is 6564110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220114653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19064260 + ... + 19064323.

It is an arithmetic number, because the mean of its divisors is an integer number (200175066).

Almost surely, 2^1220114656 is an apocalyptic number.

1220114656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1220114656 is a deficient number, since it is larger than the sum of its proper divisors (1181986136).

1220114656 is an equidigital number, since it uses as much as digits as its factorization.

1220114656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38128593 (or 38128585 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1220114656 is about 34930.1396504509. The cubic root of 1220114656 is about 1068.5632026918.

Adding to 1220114656 its reverse (6564110221), we get a palindrome (7784224877).

The spelling of 1220114656 in words is "one billion, two hundred twenty million, one hundred fourteen thousand, six hundred fifty-six".