1280233057 has 2 divisors, whose sum is σ = 1280233058. Its totient is φ = 1280233056.

The previous prime is 1280233051. The next prime is 1280233067. The reversal of 1280233057 is 7503320821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104299361 + 175933696 = 33231^2 + 13264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1280233057 - 2⁷ = 1280232929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1280233051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640116528 + 640116529.

It is an arithmetic number, because the mean of its divisors is an integer number (640116529).

Almost surely, 2^1280233057 is an apocalyptic number.

It is an amenable number.

1280233057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280233057 is an equidigital number, since it uses as much as digits as its factorization.

1280233057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1280233057 is about 35780.3445623432. The cubic root of 1280233057 is about 1085.8329399334.

Adding to 1280233057 its reverse (7503320821), we get a palindrome (8783553878).

The spelling of 1280233057 in words is "one billion, two hundred eighty million, two hundred thirty-three thousand, fifty-seven".