129244050 has 72 divisors (see below), whose sum is σ = 373963044. Its totient is φ = 31812480.

The previous prime is 129244033. The next prime is 129244103. The reversal of 129244050 is 50442921.

It can be written as a sum of positive squares in 6 ways, for example, as 52664049 + 76580001 = 7257^2 + 8751^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5197 + ... + 16896.

Almost surely, 2^129244050 is an apocalyptic number.

129244050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129244050 is an abundant number, since it is smaller than the sum of its proper divisors (244718994).

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

129244050 is a wasteful number, since it uses less digits than its factorization.

129244050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22124 (or 22116 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 129244050 is about 11368.5553171896. Note that the first 3 decimals coincide. The cubic root of 129244050 is about 505.5958721264.

Adding to 129244050 its reverse (50442921), we get a palindrome (179686971).

Subtracting from 129244050 its reverse (50442921), we obtain a square (78801129 = 8877²).

The spelling of 129244050 in words is "one hundred twenty-nine million, two hundred forty-four thousand, fifty".