1248230864 has 10 divisors (see below), whose sum is σ = 2418447330. Its totient is φ = 624115424.

The previous prime is 1248230807. The next prime is 1248230917. The reversal of 1248230864 is 4680328421.

It can be written as a sum of positive squares in only one way, i.e., 1183910464 + 64320400 = 34408^2 + 8020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39007199 + ... + 39007230.

It is an arithmetic number, because the mean of its divisors is an integer number (241844733).

Almost surely, 2^1248230864 is an apocalyptic number.

It is an amenable number.

1248230864 is a deficient number, since it is larger than the sum of its proper divisors (1170216466).

1248230864 is an equidigital number, since it uses as much as digits as its factorization.

1248230864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78014437 (or 78014431 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 1248230864 is about 35330.3108392779. The cubic root of 1248230864 is about 1076.7089066787.

The spelling of 1248230864 in words is "one billion, two hundred forty-eight million, two hundred thirty thousand, eight hundred sixty-four".