129441253 has 8 divisors (see below), whose sum is σ = 131876480. Its totient is φ = 127020960.

The previous prime is 129441229. The next prime is 129441259. The reversal of 129441253 is 352144921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129441253 - 2²¹ = 127344101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129441259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14593 + ... + 21721.

It is an arithmetic number, because the mean of its divisors is an integer number (16484560).

Almost surely, 2^129441253 is an apocalyptic number.

It is an amenable number.

129441253 is a deficient number, since it is larger than the sum of its proper divisors (2435227).

129441253 is an equidigital number, since it uses as much as digits as its factorization.

129441253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467.

The product of its digits is 8640, while the sum is 31.

The square root of 129441253 is about 11377.2251889466. The cubic root of 129441253 is about 505.8528906767.

The spelling of 129441253 in words is "one hundred twenty-nine million, four hundred forty-one thousand, two hundred fifty-three".