1248277256 has 16 divisors (see below), whose sum is σ = 2341323900. Its totient is φ = 623924224.

The previous prime is 1248277249. The next prime is 1248277273. The reversal of 1248277256 is 6527728421.

It can be written as a sum of positive squares in 2 ways, for example, as 944332900 + 303944356 = 30730^2 + 17434^2 .

It is a super-2 number, since 2×1248277256² = 3116392215693779072, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 545 + ... + 49968.

Almost surely, 2^1248277256 is an apocalyptic number.

It is an amenable number.

1248277256 is a deficient number, since it is larger than the sum of its proper divisors (1093046644).

1248277256 is a wasteful number, since it uses less digits than its factorization.

1248277256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53608 (or 53604 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 1248277256 is about 35330.9673799063. The cubic root of 1248277256 is about 1076.7222455736.

The spelling of 1248277256 in words is "one billion, two hundred forty-eight million, two hundred seventy-seven thousand, two hundred fifty-six".