1242444283 has 2 divisors, whose sum is σ = 1242444284. Its totient is φ = 1242444282.

The previous prime is 1242444271. The next prime is 1242444311. The reversal of 1242444283 is 3824442421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242444283 - 2⁵ = 1242444251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1242444233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621222141 + 621222142.

It is an arithmetic number, because the mean of its divisors is an integer number (621222142).

Almost surely, 2^1242444283 is an apocalyptic number.

1242444283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242444283 is an equidigital number, since it uses as much as digits as its factorization.

1242444283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 34.

The square root of 1242444283 is about 35248.3231232352. The cubic root of 1242444283 is about 1075.0425173016.

The spelling of 1242444283 in words is "one billion, two hundred forty-two million, four hundred forty-four thousand, two hundred eighty-three".