1242908363 has 2 divisors, whose sum is σ = 1242908364. Its totient is φ = 1242908362.

The previous prime is 1242908347. The next prime is 1242908453. The reversal of 1242908363 is 3638092421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242908363 - 2⁴ = 1242908347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1242908333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621454181 + 621454182.

It is an arithmetic number, because the mean of its divisors is an integer number (621454182).

Almost surely, 2^1242908363 is an apocalyptic number.

1242908363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242908363 is an equidigital number, since it uses as much as digits as its factorization.

1242908363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1242908363 is about 35254.9055168213. The cubic root of 1242908363 is about 1075.1763512379.

The spelling of 1242908363 in words is "one billion, two hundred forty-two million, nine hundred eight thousand, three hundred sixty-three".