1254055459 has 2 divisors, whose sum is σ = 1254055460. Its totient is φ = 1254055458.

The previous prime is 1254055447. The next prime is 1254055589. The reversal of 1254055459 is 9545504521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254055459 - 2¹⁵ = 1254022691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254055259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627027729 + 627027730.

It is an arithmetic number, because the mean of its divisors is an integer number (627027730).

Almost surely, 2^1254055459 is an apocalyptic number.

1254055459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254055459 is an equidigital number, since it uses as much as digits as its factorization.

1254055459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 1254055459 is about 35412.6454674033. The cubic root of 1254055459 is about 1078.3810502999.

The spelling of 1254055459 in words is "one billion, two hundred fifty-four million, fifty-five thousand, four hundred fifty-nine".