1248229855 has 8 divisors (see below), whose sum is σ = 1499414832. Its totient is φ = 997557888.

The previous prime is 1248229837. The next prime is 1248229859. The reversal of 1248229855 is 5589228421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1248229855 - 2⁷ = 1248229727 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 (1248229859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122877 + ... + 132646.

It is an arithmetic number, because the mean of its divisors is an integer number (187426854).

Almost surely, 2^1248229855 is an apocalyptic number.

1248229855 is a deficient number, since it is larger than the sum of its proper divisors (251184977).

1248229855 is an equidigital number, since it uses as much as digits as its factorization.

1248229855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256505.

The product of its digits is 460800, while the sum is 46.

The square root of 1248229855 is about 35330.2965597517. The cubic root of 1248229855 is about 1076.7086165616.

The spelling of 1248229855 in words is "one billion, two hundred forty-eight million, two hundred twenty-nine thousand, eight hundred fifty-five".