1227452716 has 24 divisors (see below), whose sum is σ = 2511998720. Its totient is φ = 513816912.

The previous prime is 1227452713. The next prime is 1227452731. The reversal of 1227452716 is 6172547221.

It is not an unprimeable number, because it can be changed into a prime (1227452713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508536 + ... + 510943.

Almost surely, 2^1227452716 is an apocalyptic number.

It is an amenable number.

1227452716 is an abundant number, since it is smaller than the sum of its proper divisors (1284546004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227452716 is a wasteful number, since it uses less digits than its factorization.

1227452716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019533 (or 1019531 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 1227452716 is about 35035.0212787148. The cubic root of 1227452716 is about 1070.7011202483.

Adding to 1227452716 its reverse (6172547221), we get a palindrome (7399999937).

The spelling of 1227452716 in words is "one billion, two hundred twenty-seven million, four hundred fifty-two thousand, seven hundred sixteen".