1248305234 has 32 divisors (see below), whose sum is σ = 2064508992. Its totient is φ = 561384000.

The previous prime is 1248305221. The next prime is 1248305249. The reversal of 1248305234 is 4325038421.

It is a self number, because there is not a number n which added to its sum of digits gives 1248305234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903224 + ... + 904604.

It is an arithmetic number, because the mean of its divisors is an integer number (64515906).

Almost surely, 2^1248305234 is an apocalyptic number.

1248305234 is a deficient number, since it is larger than the sum of its proper divisors (816203758).

1248305234 is a wasteful number, since it uses less digits than its factorization.

1248305234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1248305234 is about 35331.3633192947. The cubic root of 1248305234 is about 1076.7302898094.

The spelling of 1248305234 in words is "one billion, two hundred forty-eight million, three hundred five thousand, two hundred thirty-four".