129627030 has 64 divisors (see below), whose sum is σ = 336208320. Its totient is φ = 31796736.

The previous prime is 129626999. The next prime is 129627031. The reversal of 129627030 is 30726921.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129627031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198184 + ... + 198836.

It is an arithmetic number, because the mean of its divisors is an integer number (5253255).

Almost surely, 2^129627030 is an apocalyptic number.

129627030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 129627030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168104160).

129627030 is an abundant number, since it is smaller than the sum of its proper divisors (206581290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129627030 is a wasteful number, since it uses less digits than its factorization.

129627030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 129627030 is about 11385.3866864503. The cubic root of 129627030 is about 506.0947788109.

The spelling of 129627030 in words is "one hundred twenty-nine million, six hundred twenty-seven thousand, thirty".