129000283 has 4 divisors (see below), whose sum is σ = 129109608. Its totient is φ = 128890960.

The previous prime is 129000281. The next prime is 129000317. The reversal of 129000283 is 382000921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382000921 = 1301 ⋅293621.

It is a cyclic number.

It is not a de Polignac number, because 129000283 - 2¹ = 129000281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129000281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52873 + ... + 55258.

It is an arithmetic number, because the mean of its divisors is an integer number (32277402).

Almost surely, 2^129000283 is an apocalyptic number.

129000283 is a deficient number, since it is larger than the sum of its proper divisors (109325).

129000283 is a wasteful number, since it uses less digits than its factorization.

129000283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109324.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 129000283 is about 11357.8291499740. The cubic root of 129000283 is about 505.2778042129.

The spelling of 129000283 in words is "one hundred twenty-nine million, two hundred eighty-three", and thus it is an aban number.