1254053729 has 2 divisors, whose sum is σ = 1254053730. Its totient is φ = 1254053728.

The previous prime is 1254053719. The next prime is 1254053741. The reversal of 1254053729 is 9273504521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 914941504 + 339112225 = 30248^2 + 18415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254053729 - 2⁸ = 1254053473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1254053692 and 1254053701.

It is not a weakly prime, because it can be changed into another prime (1254053719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627026864 + 627026865.

It is an arithmetic number, because the mean of its divisors is an integer number (627026865).

Almost surely, 2^1254053729 is an apocalyptic number.

It is an amenable number.

1254053729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254053729 is an equidigital number, since it uses as much as digits as its factorization.

1254053729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1254053729 is about 35412.6210410921. The cubic root of 1254053729 is about 1078.3805544154.

The spelling of 1254053729 in words is "one billion, two hundred fifty-four million, fifty-three thousand, seven hundred twenty-nine".