1224752479 has 2 divisors, whose sum is σ = 1224752480. Its totient is φ = 1224752478.

The previous prime is 1224752467. The next prime is 1224752489. The reversal of 1224752479 is 9742574221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224752479 - 2⁷ = 1224752351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224752489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612376239 + 612376240.

It is an arithmetic number, because the mean of its divisors is an integer number (612376240).

Almost surely, 2^1224752479 is an apocalyptic number.

1224752479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224752479 is an equidigital number, since it uses as much as digits as its factorization.

1224752479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 1224752479 is about 34996.4638070763. The cubic root of 1224752479 is about 1069.9154092151.

The spelling of 1224752479 in words is "one billion, two hundred twenty-four million, seven hundred fifty-two thousand, four hundred seventy-nine".