1242975303 has 6 divisors (see below), whose sum is σ = 1795408784. Its totient is φ = 828650196.

The previous prime is 1242975277. The next prime is 1242975317. The reversal of 1242975303 is 3035792421.

It is not a de Polignac number, because 1242975303 - 2¹⁸ = 1242713159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242975323) 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 5 ways as a sum of consecutive naturals, for example, 69054175 + ... + 69054192.

Almost surely, 2^1242975303 is an apocalyptic number.

1242975303 is a deficient number, since it is larger than the sum of its proper divisors (552433481).

1242975303 is a wasteful number, since it uses less digits than its factorization.

1242975303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138108373 (or 138108370 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1242975303 is about 35255.8548754671. The cubic root of 1242975303 is about 1075.1956530129.

It can be divided in two parts, 124297 and 5303, that added together give a square (129600 = 360²).

The spelling of 1242975303 in words is "one billion, two hundred forty-two million, nine hundred seventy-five thousand, three hundred three".