1264510459 has 2 divisors, whose sum is σ = 1264510460. Its totient is φ = 1264510458.

The previous prime is 1264510451. The next prime is 1264510523. The reversal of 1264510459 is 9540154621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264510459 - 2³ = 1264510451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1264510451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632255229 + 632255230.

It is an arithmetic number, because the mean of its divisors is an integer number (632255230).

Almost surely, 2^1264510459 is an apocalyptic number.

1264510459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264510459 is an equidigital number, since it uses as much as digits as its factorization.

1264510459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1264510459 is about 35559.9558351807. The cubic root of 1264510459 is about 1081.3695642270.

It can be divided in two parts, 12645 and 10459, that added together give a square (23104 = 152²).

The spelling of 1264510459 in words is "one billion, two hundred sixty-four million, five hundred ten thousand, four hundred fifty-nine".