129054303 has 20 divisors (see below), whose sum is σ = 220326480. Its totient is φ = 73744992.

The previous prime is 129054287. The next prime is 129054313. The reversal of 129054303 is 303450921.

It is not a de Polignac number, because 129054303 - 2⁴ = 129054287 is a prime.

It is a super-3 number, since 3×129054303³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129054313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113238 + ... + 114371.

It is an arithmetic number, because the mean of its divisors is an integer number (11016324).

Almost surely, 2^129054303 is an apocalyptic number.

129054303 is a deficient number, since it is larger than the sum of its proper divisors (91272177).

129054303 is an equidigital number, since it uses as much as digits as its factorization.

129054303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227628 (or 227619 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 129054303 is about 11360.2069963535. The cubic root of 129054303 is about 505.3483242076.

The spelling of 129054303 in words is "one hundred twenty-nine million, fifty-four thousand, three hundred three".