1224701265 has 16 divisors (see below), whose sum is σ = 1972006848. Its totient is φ = 649012416.

The previous prime is 1224701251. The next prime is 1224701273. The reversal of 1224701265 is 5621074221.

It is not a de Polignac number, because 1224701265 - 2⁴ = 1224701249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257667 + ... + 262376.

It is an arithmetic number, because the mean of its divisors is an integer number (123250428).

Almost surely, 2^1224701265 is an apocalyptic number.

1224701265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224701265 is a deficient number, since it is larger than the sum of its proper divisors (747305583).

1224701265 is a wasteful number, since it uses less digits than its factorization.

1224701265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520208.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1224701265 is about 34995.7320969286. The cubic root of 1224701265 is about 1069.9004958857.

Adding to 1224701265 its reverse (5621074221), we get a palindrome (6845775486).

The spelling of 1224701265 in words is "one billion, two hundred twenty-four million, seven hundred one thousand, two hundred sixty-five".