129804124 has 24 divisors (see below), whose sum is σ = 239531600. Its totient is φ = 61378560.

The previous prime is 129804121. The next prime is 129804131. The reversal of 129804124 is 421408921.

It is a super-2 number, since 2×129804124² = 33698221214814752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129804121) 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 7 ways as a sum of consecutive naturals, for example, 57334 + ... + 59554.

Almost surely, 2^129804124 is an apocalyptic number.

It is an amenable number.

129804124 is a deficient number, since it is larger than the sum of its proper divisors (109727476).

129804124 is a wasteful number, since it uses less digits than its factorization.

129804124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 129804124 is about 11393.1612821025. The cubic root of 129804124 is about 506.3251463108.

The spelling of 129804124 in words is "one hundred twenty-nine million, eight hundred four thousand, one hundred twenty-four".