129983575 has 12 divisors (see below), whose sum is σ = 161761968. Its totient is φ = 103611200.

The previous prime is 129983563. The next prime is 129983593. The reversal of 129983575 is 575389921.

It is not a de Polignac number, because 129983575 - 2⁵ = 129983543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2227 + ... + 16276.

It is an arithmetic number, because the mean of its divisors is an integer number (13480164).

Almost surely, 2^129983575 is an apocalyptic number.

129983575 is a deficient number, since it is larger than the sum of its proper divisors (31778393).

129983575 is a wasteful number, since it uses less digits than its factorization.

129983575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18794 (or 18789 counting only the distinct ones).

The product of its digits is 680400, while the sum is 49.

The square root of 129983575 is about 11401.0339443403. The cubic root of 129983575 is about 506.5583662125.

The spelling of 129983575 in words is "one hundred twenty-nine million, nine hundred eighty-three thousand, five hundred seventy-five".