1254842747 has 2 divisors, whose sum is σ = 1254842748. Its totient is φ = 1254842746.

The previous prime is 1254842723. The next prime is 1254842759. The reversal of 1254842747 is 7472484521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1254842747 - 2⁶ = 1254842683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1254842698 and 1254842707.

It is not a weakly prime, because it can be changed into another prime (1254842647) 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, 627421373 + 627421374.

It is an arithmetic number, because the mean of its divisors is an integer number (627421374).

Almost surely, 2^1254842747 is an apocalyptic number.

1254842747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254842747 is an equidigital number, since it uses as much as digits as its factorization.

1254842747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 501760, while the sum is 44.

The square root of 1254842747 is about 35423.7596395414. The cubic root of 1254842747 is about 1078.6066700020.

The spelling of 1254842747 in words is "one billion, two hundred fifty-four million, eight hundred forty-two thousand, seven hundred forty-seven".