1254223255 has 4 divisors (see below), whose sum is σ = 1505067912. Its totient is φ = 1003378600.

The previous prime is 1254223253. The next prime is 1254223259. The reversal of 1254223255 is 5523224521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1254223255 - 2¹ = 1254223253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254223253) 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 in 3 ways as a sum of consecutive naturals, for example, 125422321 + ... + 125422330.

It is an arithmetic number, because the mean of its divisors is an integer number (376266978).

Almost surely, 2^1254223255 is an apocalyptic number.

1254223255 is a deficient number, since it is larger than the sum of its proper divisors (250844657).

1254223255 is an equidigital number, since it uses as much as digits as its factorization.

1254223255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250844656.

The product of its digits is 24000, while the sum is 31.

The square root of 1254223255 is about 35415.0145418578. The cubic root of 1254223255 is about 1078.4291449184.

Adding to 1254223255 its reverse (5523224521), we get a palindrome (6777447776).

The spelling of 1254223255 in words is "one billion, two hundred fifty-four million, two hundred twenty-three thousand, two hundred fifty-five".