1243055796 has 12 divisors (see below), whose sum is σ = 2900463552. Its totient is φ = 414351928.

The previous prime is 1243055789. The next prime is 1243055819. The reversal of 1243055796 is 6975503421.

It is a tau number, because it is divible by the number of its divisors (12).

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, 51793980 + ... + 51794003.

It is an arithmetic number, because the mean of its divisors is an integer number (241705296).

Almost surely, 2^1243055796 is an apocalyptic number.

It is an amenable number.

1243055796 is an abundant number, since it is smaller than the sum of its proper divisors (1657407756).

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

1243055796 is a wasteful number, since it uses less digits than its factorization.

1243055796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103587990 (or 103587988 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 1243055796 is about 35256.9964120598. The cubic root of 1243055796 is about 1075.2188618022.

The spelling of 1243055796 in words is "one billion, two hundred forty-three million, fifty-five thousand, seven hundred ninety-six".