1202454651929 has 2 divisors, whose sum is σ = 1202454651930. Its totient is φ = 1202454651928.

The previous prime is 1202454651887. The next prime is 1202454651941. The reversal of 1202454651929 is 9291564542021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874066057225 + 328388594704 = 934915^2 + 573052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202454651929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202454651829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601227325964 + 601227325965.

It is an arithmetic number, because the mean of its divisors is an integer number (601227325965).

Almost surely, 2^{1202454651929} is an apocalyptic number.

It is an amenable number.

1202454651929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202454651929 is an equidigital number, since it uses as much as digits as its factorization.

1202454651929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 1202454651929 in words is "one trillion, two hundred two billion, four hundred fifty-four million, six hundred fifty-one thousand, nine hundred twenty-nine".