1202644043 has 2 divisors, whose sum is σ = 1202644044. Its totient is φ = 1202644042.

The previous prime is 1202644031. The next prime is 1202644049. The reversal of 1202644043 is 3404462021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202644043 - 2¹⁴ = 1202627659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202644049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601322021 + 601322022.

It is an arithmetic number, because the mean of its divisors is an integer number (601322022).

Almost surely, 2^1202644043 is an apocalyptic number.

1202644043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202644043 is an equidigital number, since it uses as much as digits as its factorization.

1202644043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1202644043 is about 34679.1586258952. The cubic root of 1202644043 is about 1063.4384730327.

The spelling of 1202644043 in words is "one billion, two hundred two million, six hundred forty-four thousand, forty-three".