129483975 has 12 divisors (see below), whose sum is σ = 214080296. Its totient is φ = 69058080.

The previous prime is 129483973. The next prime is 129483983. The reversal of 129483975 is 579384921.

It is not a de Polignac number, because 129483975 - 2¹ = 129483973 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 (129483973) 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 11 ways as a sum of consecutive naturals, for example, 863152 + ... + 863301.

Almost surely, 2^129483975 is an apocalyptic number.

129483975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129483975 is a deficient number, since it is larger than the sum of its proper divisors (84596321).

129483975 is a wasteful number, since it uses less digits than its factorization.

129483975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726466 (or 1726461 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 129483975 is about 11379.1025568803. The cubic root of 129483975 is about 505.9085366926.

The spelling of 129483975 in words is "one hundred twenty-nine million, four hundred eighty-three thousand, nine hundred seventy-five".