1247224371264 has 105 divisors (see below), whose sum is σ = 3697402129311. Its totient is φ = 415714654080.

The previous prime is 1247224371233. The next prime is 1247224371269. The reversal of 1247224371264 is 4621734227421.

The square root of 1247224371264 is 1116792.

It is a perfect power (a square), and thus also a powerful number.

1247224371264 is a `hidden beast` number, since 1 + 2 + 472 + 24 + 37 + 126 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (1247224371269) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 80401269 + ... + 80416779.

Almost surely, 2^{1247224371264} is an apocalyptic number.

1247224371264 is the 1116792-nd square number.

It is an amenable number.

1247224371264 is an abundant number, since it is smaller than the sum of its proper divisors (2450177758047).

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

1247224371264 is an frugal number, since it uses more digits than its factorization.

1247224371264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31046 (or 15516 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

Adding to 1247224371264 its reverse (4621734227421), we get a palindrome (5868958598685).

The spelling of 1247224371264 in words is "one trillion, two hundred forty-seven billion, two hundred twenty-four million, three hundred seventy-one thousand, two hundred sixty-four".