1254798763 has 2 divisors, whose sum is σ = 1254798764. Its totient is φ = 1254798762.

The previous prime is 1254798751. The next prime is 1254798799. The reversal of 1254798763 is 3678974521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254798763 - 2²⁹ = 717927851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1254798763.

It is not a weakly prime, because it can be changed into another prime (1254798733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627399381 + 627399382.

It is an arithmetic number, because the mean of its divisors is an integer number (627399382).

Almost surely, 2^1254798763 is an apocalyptic number.

1254798763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254798763 is an equidigital number, since it uses as much as digits as its factorization.

1254798763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The square root of 1254798763 is about 35423.1388078471. The cubic root of 1254798763 is about 1078.5940676288.

The spelling of 1254798763 in words is "one billion, two hundred fifty-four million, seven hundred ninety-eight thousand, seven hundred sixty-three".