129458098 has 24 divisors (see below), whose sum is σ = 246428784. Its totient is φ = 50437800.

The previous prime is 129458093. The next prime is 129458113. The reversal of 129458098 is 890854921.

It is not an unprimeable number, because it can be changed into a prime (129458093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58968 + ... + 61123.

It is an arithmetic number, because the mean of its divisors is an integer number (10267866).

Almost surely, 2^129458098 is an apocalyptic number.

129458098 is a deficient number, since it is larger than the sum of its proper divisors (116970686).

129458098 is a wasteful number, since it uses less digits than its factorization.

129458098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120118 (or 120111 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 129458098 is about 11377.9654596066. The cubic root of 129458098 is about 505.8748329920.

The spelling of 129458098 in words is "one hundred twenty-nine million, four hundred fifty-eight thousand, ninety-eight".