1428227959 has 2 divisors, whose sum is σ = 1428227960. Its totient is φ = 1428227958.

The previous prime is 1428227947. The next prime is 1428227993. The reversal of 1428227959 is 9597228241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9597228241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1428227959 - 2¹⁹ = 1427703671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428227909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714113979 + 714113980.

It is an arithmetic number, because the mean of its divisors is an integer number (714113980).

Almost surely, 2^1428227959 is an apocalyptic number.

1428227959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428227959 is an equidigital number, since it uses as much as digits as its factorization.

1428227959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The square root of 1428227959 is about 37791.9033524378. The cubic root of 1428227959 is about 1126.1576124376.

The spelling of 1428227959 in words is "one billion, four hundred twenty-eight million, two hundred twenty-seven thousand, nine hundred fifty-nine".