129454210 has 16 divisors (see below), whose sum is σ = 233201592. Its totient is φ = 51740800.

The previous prime is 129454207. The next prime is 129454217. The reversal of 129454210 is 12454921.

It can be written as a sum of positive squares in 4 ways, for example, as 79370281 + 50083929 = 8909^2 + 7077^2 .

It is a super-3 number, since 3×129454210³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (129454217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10440 + ... + 19180.

Almost surely, 2^129454210 is an apocalyptic number.

129454210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129454210 is a deficient number, since it is larger than the sum of its proper divisors (103747382).

129454210 is a wasteful number, since it uses less digits than its factorization.

129454210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 129454210 is about 11377.7946017671. The cubic root of 129454210 is about 505.8697686479.

The spelling of 129454210 in words is "one hundred twenty-nine million, four hundred fifty-four thousand, two hundred ten".