1254007205117 has 2 divisors, whose sum is σ = 1254007205118. Its totient is φ = 1254007205116.

The previous prime is 1254007205071. The next prime is 1254007205153. The reversal of 1254007205117 is 7115027004521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 873680914681 + 380326290436 = 934709^2 + 616706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254007205117 - 2⁸ = 1254007204861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254007205317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627003602558 + 627003602559.

It is an arithmetic number, because the mean of its divisors is an integer number (627003602559).

Almost surely, 2^{1254007205117} is an apocalyptic number.

It is an amenable number.

1254007205117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254007205117 is an equidigital number, since it uses as much as digits as its factorization.

1254007205117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 1254007205117 in words is "one trillion, two hundred fifty-four billion, seven million, two hundred five thousand, one hundred seventeen".