1224898427 has 2 divisors, whose sum is σ = 1224898428. Its totient is φ = 1224898426.

The previous prime is 1224898421. The next prime is 1224898453. The reversal of 1224898427 is 7248984221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224898427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224898421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612449213 + 612449214.

It is an arithmetic number, because the mean of its divisors is an integer number (612449214).

Almost surely, 2^1224898427 is an apocalyptic number.

1224898427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224898427 is an equidigital number, since it uses as much as digits as its factorization.

1224898427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 47.

The square root of 1224898427 is about 34998.5489270627. The cubic root of 1224898427 is about 1069.9579064583.

The spelling of 1224898427 in words is "one billion, two hundred twenty-four million, eight hundred ninety-eight thousand, four hundred twenty-seven".