1245494336 has 28 divisors (see below), whose sum is σ = 2473787280. Its totient is φ = 622177920.

The previous prime is 1245494323. The next prime is 1245494339. The reversal of 1245494336 is 6334945421.

It is a super-2 number, since 2×1245494336² = 3102512282016161792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1245494293 and 1245494302.

It is not an unprimeable number, because it can be changed into a prime (1245494339) by changing a digit.

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, 66635 + ... + 83253.

Almost surely, 2^1245494336 is an apocalyptic number.

1245494336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1245494336 is a deficient number, since it is larger than the sum of its proper divisors (1228292944).

1245494336 is a wasteful number, since it uses less digits than its factorization.

1245494336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17802 (or 17792 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 1245494336 is about 35291.5618243228. The cubic root of 1245494336 is about 1075.9214989509.

The spelling of 1245494336 in words is "one billion, two hundred forty-five million, four hundred ninety-four thousand, three hundred thirty-six".