1245743796 has 24 divisors (see below), whose sum is σ = 3170984544. Its totient is φ = 377498080.

The previous prime is 1245743771. The next prime is 1245743813. The reversal of 1245743796 is 6973475421.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 4718595 + ... + 4718858.

It is an arithmetic number, because the mean of its divisors is an integer number (132124356).

Almost surely, 2^1245743796 is an apocalyptic number.

It is an amenable number.

1245743796 is an abundant number, since it is smaller than the sum of its proper divisors (1925240748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245743796 is a wasteful number, since it uses less digits than its factorization.

1245743796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437471 (or 9437469 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 1245743796 is about 35295.0959199717. The cubic root of 1245743796 is about 1075.9933262439.

The spelling of 1245743796 in words is "one billion, two hundred forty-five million, seven hundred forty-three thousand, seven hundred ninety-six".