1254842723 has 2 divisors, whose sum is σ = 1254842724. Its totient is φ = 1254842722.

The previous prime is 1254842689. The next prime is 1254842747. The reversal of 1254842723 is 3272484521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254842723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254812723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627421361 + 627421362.

It is an arithmetic number, because the mean of its divisors is an integer number (627421362).

Almost surely, 2^1254842723 is an apocalyptic number.

1254842723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254842723 is an equidigital number, since it uses as much as digits as its factorization.

1254842723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 38.

The square root of 1254842723 is about 35423.7593007857. The cubic root of 1254842723 is about 1078.6066631256.

The spelling of 1254842723 in words is "one billion, two hundred fifty-four million, eight hundred forty-two thousand, seven hundred twenty-three".