129844953 has 36 divisors (see below), whose sum is σ = 220995840. Its totient is φ = 73238256.

The previous prime is 129844943. The next prime is 129844999. The reversal of 129844953 is 359448921.

It is not a de Polignac number, because 129844953 - 2⁴ = 129844937 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 129844899 and 129844908.

It is not an unprimeable number, because it can be changed into a prime (129844943) 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 35 ways as a sum of consecutive naturals, for example, 32976 + ... + 36702.

Almost surely, 2^129844953 is an apocalyptic number.

It is an amenable number.

129844953 is a deficient number, since it is larger than the sum of its proper divisors (91150887).

129844953 is a wasteful number, since it uses less digits than its factorization.

129844953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3816 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 129844953 is about 11394.9529617283. The cubic root of 129844953 is about 506.3782277837.

The spelling of 129844953 in words is "one hundred twenty-nine million, eight hundred forty-four thousand, nine hundred fifty-three".