129007253 has 8 divisors (see below), whose sum is σ = 136824576. Its totient is φ = 121374000.

The previous prime is 129007243. The next prime is 129007273. The reversal of 129007253 is 352700921.

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 129007253 - 2¹⁶ = 128941717 is a prime.

It is a super-3 number, since 3×129007253³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129007243) 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, 44573 + ... + 47378.

It is an arithmetic number, because the mean of its divisors is an integer number (17103072).

Almost surely, 2^129007253 is an apocalyptic number.

It is an amenable number.

129007253 is a deficient number, since it is larger than the sum of its proper divisors (7817323).

129007253 is an equidigital number, since it uses as much as digits as its factorization.

129007253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92035.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 129007253 is about 11358.1359826338. The cubic root of 129007253 is about 505.2869042520.

The spelling of 129007253 in words is "one hundred twenty-nine million, seven thousand, two hundred fifty-three".