129675243 has 8 divisors (see below), whose sum is σ = 173104128. Its totient is φ = 86348264.

The previous prime is 129675233. The next prime is 129675253. The reversal of 129675243 is 342576921.

It is an interprime number because it is at equal distance from previous prime (129675233) and next prime (129675253).

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 129675243 - 2⁶ = 129675179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129675223) 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, 22455 + ... + 27632.

It is an arithmetic number, because the mean of its divisors is an integer number (21638016).

Almost surely, 2^129675243 is an apocalyptic number.

129675243 is a deficient number, since it is larger than the sum of its proper divisors (43428885).

129675243 is an equidigital number, since it uses as much as digits as its factorization.

129675243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50953.

The product of its digits is 90720, while the sum is 39.

The square root of 129675243 is about 11387.5038090005. The cubic root of 129675243 is about 506.1575160427.

The spelling of 129675243 in words is "one hundred twenty-nine million, six hundred seventy-five thousand, two hundred forty-three".