129999901303 has 8 divisors (see below), whose sum is σ = 132420202640. Its totient is φ = 127588927680.

The previous prime is 129999901267. The next prime is 129999901321. The reversal of 129999901303 is 303109999921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129999901303 - 2²¹ = 129997804151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129999901333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2303793 + ... + 2359546.

It is an arithmetic number, because the mean of its divisors is an integer number (16552525330).

Almost surely, 2^129999901303 is an apocalyptic number.

129999901303 is a deficient number, since it is larger than the sum of its proper divisors (2420301337).

129999901303 is an equidigital number, since it uses as much as digits as its factorization.

129999901303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663857.

The product of its (nonzero) digits is 1062882, while the sum is 55.

The spelling of 129999901303 in words is "one hundred twenty-nine billion, nine hundred ninety-nine million, nine hundred one thousand, three hundred three".