1242303788 has 24 divisors (see below), whose sum is σ = 2375113104. Its totient is φ = 563864000.

The previous prime is 1242303763. The next prime is 1242303851. The reversal of 1242303788 is 8873032421.

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, 10706 + ... + 50982.

It is an arithmetic number, because the mean of its divisors is an integer number (98963046).

Almost surely, 2^1242303788 is an apocalyptic number.

It is an amenable number.

1242303788 is a deficient number, since it is larger than the sum of its proper divisors (1132809316).

1242303788 is a wasteful number, since it uses less digits than its factorization.

1242303788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40993 (or 40991 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1242303788 is about 35246.3301352070. The cubic root of 1242303788 is about 1075.0019940111.

The spelling of 1242303788 in words is "one billion, two hundred forty-two million, three hundred three thousand, seven hundred eighty-eight".