129850470 has 24 divisors (see below), whose sum is σ = 337611456. Its totient is φ = 34626768.

The previous prime is 129850451. The next prime is 129850499. The reversal of 129850470 is 74058921.

It is a super-2 number, since 2×129850470² = 33722289118441800, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 721302 + ... + 721481.

It is an arithmetic number, because the mean of its divisors is an integer number (14067144).

Almost surely, 2^129850470 is an apocalyptic number.

129850470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129850470 is an abundant number, since it is smaller than the sum of its proper divisors (207760986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129850470 is a wasteful number, since it uses less digits than its factorization.

129850470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442796 (or 1442793 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 129850470 is about 11395.1950400158. The cubic root of 129850470 is about 506.3853995401.

The spelling of 129850470 in words is "one hundred twenty-nine million, eight hundred fifty thousand, four hundred seventy".