1248396544 has 36 divisors (see below), whose sum is σ = 2494405620. Its totient is φ = 623575040.

The previous prime is 1248396529. The next prime is 1248396557. The reversal of 1248396544 is 4456938421.

It can be written as a sum of positive squares in 2 ways, for example, as 100000000 + 1148396544 = 10000^2 + 33888^2 .

It is a super-2 number, since 2×1248396544² = 3116987862142287872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1248396494 and 1248396503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358974 + ... + 362434.

It is an arithmetic number, because the mean of its divisors is an integer number (69289045).

Almost surely, 2^1248396544 is an apocalyptic number.

It is an amenable number.

1248396544 is a deficient number, since it is larger than the sum of its proper divisors (1246009076).

1248396544 is an equidigital number, since it uses as much as digits as its factorization.

1248396544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886 (or 4872 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 1248396544 is about 35332.6554903534. The cubic root of 1248396544 is about 1076.7565424286.

The spelling of 1248396544 in words is "one billion, two hundred forty-eight million, three hundred ninety-six thousand, five hundred forty-four".