102401001929 has 2 divisors, whose sum is σ = 102401001930. Its totient is φ = 102401001928.

The previous prime is 102401001919. The next prime is 102401001949. The reversal of 102401001929 is 929100104201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95528591929 + 6872410000 = 309077^2 + 82900^2 .

It is a cyclic number.

It is not a de Polignac number, because 102401001929 - 2⁸ = 102401001673 is a prime.

It is not a weakly prime, because it can be changed into another prime (102401001919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51200500964 + 51200500965.

It is an arithmetic number, because the mean of its divisors is an integer number (51200500965).

Almost surely, 2^102401001929 is an apocalyptic number.

It is an amenable number.

102401001929 is a deficient number, since it is larger than the sum of its proper divisors (1).

102401001929 is an equidigital number, since it uses as much as digits as its factorization.

102401001929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 102401001929 in words is "one hundred two billion, four hundred one million, one thousand, nine hundred twenty-nine".