1254661223 has 2 divisors, whose sum is σ = 1254661224. Its totient is φ = 1254661222.

The previous prime is 1254661211. The next prime is 1254661241. The reversal of 1254661223 is 3221664521.

It is a weak prime.

It is an emirp because it is prime and its reverse (3221664521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1254661223 - 2⁶ = 1254661159 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1254661223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254661273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627330611 + 627330612.

It is an arithmetic number, because the mean of its divisors is an integer number (627330612).

Almost surely, 2^1254661223 is an apocalyptic number.

1254661223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254661223 is an equidigital number, since it uses as much as digits as its factorization.

1254661223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 1254661223 is about 35421.1973682426. The cubic root of 1254661223 is about 1078.5546575249.

The spelling of 1254661223 in words is "one billion, two hundred fifty-four million, six hundred sixty-one thousand, two hundred twenty-three".