129483861 has 8 divisors (see below), whose sum is σ = 185925600. Its totient is φ = 79682352.

The previous prime is 129483857. The next prime is 129483877. The reversal of 129483861 is 168384921.

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

It is not a de Polignac number, because 129483861 - 2² = 129483857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129483661) 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, 1660011 + ... + 1660088.

It is an arithmetic number, because the mean of its divisors is an integer number (23240700).

Almost surely, 2^129483861 is an apocalyptic number.

It is an amenable number.

129483861 is a deficient number, since it is larger than the sum of its proper divisors (56441739).

129483861 is a wasteful number, since it uses less digits than its factorization.

129483861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320115.

The product of its digits is 82944, while the sum is 42.

The square root of 129483861 is about 11379.0975476968. The cubic root of 129483861 is about 505.9083882223.

The spelling of 129483861 in words is "one hundred twenty-nine million, four hundred eighty-three thousand, eight hundred sixty-one".