1224301139 has 2 divisors, whose sum is σ = 1224301140. Its totient is φ = 1224301138.

The previous prime is 1224301129. The next prime is 1224301163. The reversal of 1224301139 is 9311034221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224301139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224301129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612150569 + 612150570.

It is an arithmetic number, because the mean of its divisors is an integer number (612150570).

Almost surely, 2^1224301139 is an apocalyptic number.

1224301139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224301139 is an equidigital number, since it uses as much as digits as its factorization.

1224301139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1224301139 is about 34990.0148470960. The cubic root of 1224301139 is about 1069.7839663428.

The spelling of 1224301139 in words is "one billion, two hundred twenty-four million, three hundred one thousand, one hundred thirty-nine".