1254080869 has 2 divisors, whose sum is σ = 1254080870. Its totient is φ = 1254080868.

The previous prime is 1254080791. The next prime is 1254080879. The reversal of 1254080869 is 9680804521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661158369 + 592922500 = 25713^2 + 24350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254080869 - 2⁹ = 1254080357 is a prime.

It is a super-2 number, since 2×1254080869² = 3145437651983590322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254080879) 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, 627040434 + 627040435.

It is an arithmetic number, because the mean of its divisors is an integer number (627040435).

Almost surely, 2^1254080869 is an apocalyptic number.

It is an amenable number.

1254080869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254080869 is an equidigital number, since it uses as much as digits as its factorization.

1254080869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1254080869 is about 35413.0042357324. The cubic root of 1254080869 is about 1078.3883337304.

The spelling of 1254080869 in words is "one billion, two hundred fifty-four million, eighty thousand, eight hundred sixty-nine".