129244714 has 4 divisors (see below), whose sum is σ = 193867074. Its totient is φ = 64622356.

The previous prime is 129244697. The next prime is 129244721. The reversal of 129244714 is 417442921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74736025 + 54508689 = 8645^2 + 7383^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 129244714.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32311177 + ... + 32311180.

Almost surely, 2^129244714 is an apocalyptic number.

129244714 is a deficient number, since it is larger than the sum of its proper divisors (64622360).

129244714 is an equidigital number, since it uses as much as digits as its factorization.

129244714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64622359.

The product of its digits is 16128, while the sum is 34.

The square root of 129244714 is about 11368.5845205109. The cubic root of 129244714 is about 505.5967379692.

The spelling of 129244714 in words is "one hundred twenty-nine million, two hundred forty-four thousand, seven hundred fourteen".