1301201929 has 2 divisors, whose sum is σ = 1301201930. Its totient is φ = 1301201928.

The previous prime is 1301201927. The next prime is 1301201939. The reversal of 1301201929 is 9291021031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958026304 + 343175625 = 30952^2 + 18525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301201929 - 2¹ = 1301201927 is a prime.

Together with 1301201927, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1301201897 and 1301201906.

It is not a weakly prime, because it can be changed into another prime (1301201927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650600964 + 650600965.

It is an arithmetic number, because the mean of its divisors is an integer number (650600965).

Almost surely, 2^1301201929 is an apocalyptic number.

It is an amenable number.

1301201929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301201929 is an equidigital number, since it uses as much as digits as its factorization.

1301201929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1301201929 is about 36072.1766601352. The cubic root of 1301201929 is about 1091.7291324692.

The spelling of 1301201929 in words is "one billion, three hundred one million, two hundred one thousand, nine hundred twenty-nine".