129102466 has 8 divisors (see below), whose sum is σ = 195534144. Its totient is φ = 63924420.

The previous prime is 129102451. The next prime is 129102499. The reversal of 129102466 is 664201921.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313150 + ... + 313561.

It is an arithmetic number, because the mean of its divisors is an integer number (24441768).

Almost surely, 2^129102466 is an apocalyptic number.

129102466 is a deficient number, since it is larger than the sum of its proper divisors (66431678).

129102466 is a wasteful number, since it uses less digits than its factorization.

129102466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626816.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 129102466 is about 11362.3266103382. The cubic root of 129102466 is about 505.4111816344.

It can be divided in two parts, 12910 and 2466, that added together give a square (15376 = 124²).

The spelling of 129102466 in words is "one hundred twenty-nine million, one hundred two thousand, four hundred sixty-six".