129014270 has 64 divisors (see below), whose sum is σ = 291879936. Its totient is φ = 39886080.

The previous prime is 129014267. The next prime is 129014273. The reversal of 129014270 is 72410921.

It is an interprime number because it is at equal distance from previous prime (129014267) and next prime (129014273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129014273) 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 31 ways as a sum of consecutive naturals, for example, 104879 + ... + 106101.

It is an arithmetic number, because the mean of its divisors is an integer number (4560624).

Almost surely, 2^129014270 is an apocalyptic number.

129014270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129014270 is an abundant number, since it is smaller than the sum of its proper divisors (162865666).

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

129014270 is a wasteful number, since it uses less digits than its factorization.

129014270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 129014270 is about 11358.4448759502. Note that the first 3 decimals coincide. The cubic root of 129014270 is about 505.2960653233.

It can be divided in two parts, 12901 and 4270, that added together give a palindrome (17171).

The spelling of 129014270 in words is "one hundred twenty-nine million, fourteen thousand, two hundred seventy".