1268597248 has 20 divisors (see below), whose sum is σ = 2534717790. Its totient is φ = 634298368.

The previous prime is 1268597227. The next prime is 1268597279. The reversal of 1268597248 is 8427958621.

It can be written as a sum of positive squares in only one way, i.e., 1164720384 + 103876864 = 34128^2 + 10192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1268597195 and 1268597204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1238353 + ... + 1239376.

Almost surely, 2^1268597248 is an apocalyptic number.

It is an amenable number.

1268597248 is a deficient number, since it is larger than the sum of its proper divisors (1266120542).

1268597248 is an frugal number, since it uses more digits than its factorization.

1268597248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477747 (or 2477731 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 1268597248 is about 35617.3728396691. The cubic root of 1268597248 is about 1082.5332759160.

The spelling of 1268597248 in words is "one billion, two hundred sixty-eight million, five hundred ninety-seven thousand, two hundred forty-eight".