1224457793 has 32 divisors (see below), whose sum is σ = 1479542400. Its totient is φ = 1001051136.

The previous prime is 1224457789. The next prime is 1224457799. The reversal of 1224457793 is 3977544221.

It is a cyclic number.

It is not a de Polignac number, because 1224457793 - 2² = 1224457789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224457799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683543 + ... + 685331.

It is an arithmetic number, because the mean of its divisors is an integer number (46235700).

Almost surely, 2^1224457793 is an apocalyptic number.

1224457793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1224457793 is a deficient number, since it is larger than the sum of its proper divisors (255084607).

1224457793 is a wasteful number, since it uses less digits than its factorization.

1224457793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its digits is 423360, while the sum is 44.

The square root of 1224457793 is about 34992.2533284154. The cubic root of 1224457793 is about 1069.8295920430.

The spelling of 1224457793 in words is "one billion, two hundred twenty-four million, four hundred fifty-seven thousand, seven hundred ninety-three".