1224152519 has 2 divisors, whose sum is σ = 1224152520. Its totient is φ = 1224152518.

The previous prime is 1224152497. The next prime is 1224152533. The reversal of 1224152519 is 9152514221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224152519 - 2¹² = 1224148423 is a prime.

It is a super-2 number, since 2×1224152519² = 2997098779548090722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224152569) 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 as a sum of consecutive naturals, namely, 612076259 + 612076260.

It is an arithmetic number, because the mean of its divisors is an integer number (612076260).

Almost surely, 2^1224152519 is an apocalyptic number.

1224152519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224152519 is an equidigital number, since it uses as much as digits as its factorization.

1224152519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 32.

The square root of 1224152519 is about 34987.8910338991. The cubic root of 1224152519 is about 1069.7406769587.

The spelling of 1224152519 in words is "one billion, two hundred twenty-four million, one hundred fifty-two thousand, five hundred nineteen".