129127014 has 32 divisors (see below), whose sum is σ = 299427840. Its totient is φ = 41170536.

The previous prime is 129127013. The next prime is 129127039. The reversal of 129127014 is 410721921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129127013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50742 + ... + 53225.

It is an arithmetic number, because the mean of its divisors is an integer number (9357120).

Almost surely, 2^129127014 is an apocalyptic number.

129127014 is an abundant number, since it is smaller than the sum of its proper divisors (170300826).

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

129127014 is a wasteful number, since it uses less digits than its factorization.

129127014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104001 (or 103995 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 129127014 is about 11363.4067954993. The cubic root of 129127014 is about 505.4432131615.

Adding to 129127014 its reverse (410721921), we get a palindrome (539848935).

The spelling of 129127014 in words is "one hundred twenty-nine million, one hundred twenty-seven thousand, fourteen".