1254054679 has 2 divisors, whose sum is σ = 1254054680. Its totient is φ = 1254054678.

The previous prime is 1254054667. The next prime is 1254054713. The reversal of 1254054679 is 9764504521.

It is a weak prime.

It is an emirp because it is prime and its reverse (9764504521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1254054679 - 2⁵ = 1254054647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254054629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627027339 + 627027340.

It is an arithmetic number, because the mean of its divisors is an integer number (627027340).

Almost surely, 2^1254054679 is an apocalyptic number.

1254054679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254054679 is an equidigital number, since it uses as much as digits as its factorization.

1254054679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 1254054679 is about 35412.6344543865. The cubic root of 1254054679 is about 1078.3808267219.

The spelling of 1254054679 in words is "one billion, two hundred fifty-four million, fifty-four thousand, six hundred seventy-nine".