1202001791 has 2 divisors, whose sum is σ = 1202001792. Its totient is φ = 1202001790.

The previous prime is 1202001761. The next prime is 1202001793. The reversal of 1202001791 is 1971002021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202001791 - 2¹⁸ = 1201739647 is a prime.

Together with 1202001793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202001793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601000895 + 601000896.

It is an arithmetic number, because the mean of its divisors is an integer number (601000896).

Almost surely, 2^1202001791 is an apocalyptic number.

1202001791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202001791 is an equidigital number, since it uses as much as digits as its factorization.

1202001791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1202001791 is about 34669.8974760526. The cubic root of 1202001791 is about 1063.2491354625.

The spelling of 1202001791 in words is "one billion, two hundred two million, one thousand, seven hundred ninety-one".