129547030 has 8 divisors (see below), whose sum is σ = 233184672. Its totient is φ = 51818808.

The previous prime is 129547009. The next prime is 129547049. The reversal of 129547030 is 30745921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 129546983 and 129547001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477342 + ... + 6477361.

It is an arithmetic number, because the mean of its divisors is an integer number (29148084).

Almost surely, 2^129547030 is an apocalyptic number.

129547030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129547030 is a deficient number, since it is larger than the sum of its proper divisors (103637642).

129547030 is a wasteful number, since it uses less digits than its factorization.

129547030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954710.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 129547030 is about 11381.8728687330. The cubic root of 129547030 is about 505.9906443718.

The spelling of 129547030 in words is "one hundred twenty-nine million, five hundred forty-seven thousand, thirty".