129098486 has 16 divisors (see below), whose sum is σ = 211749120. Its totient is φ = 58543080.

The previous prime is 129098467. The next prime is 129098531. The reversal of 129098486 is 684890921.

It is a self number, because there is not a number n which added to its sum of digits gives 129098486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (13234320).

Almost surely, 2^129098486 is an apocalyptic number.

129098486 is a deficient number, since it is larger than the sum of its proper divisors (82650634).

129098486 is a wasteful number, since it uses less digits than its factorization.

129098486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 129098486 is about 11362.1514688020. The cubic root of 129098486 is about 505.4059879376.

The spelling of 129098486 in words is "one hundred twenty-nine million, ninety-eight thousand, four hundred eighty-six".