129074484 has 96 divisors (see below), whose sum is σ = 378233856. Its totient is φ = 33281280.

The previous prime is 129074461. The next prime is 129074497. The reversal of 129074484 is 484470921.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 150184 + ... + 151040.

It is an arithmetic number, because the mean of its divisors is an integer number (3939936).

Almost surely, 2^129074484 is an apocalyptic number.

129074484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129074484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189116928).

129074484 is an abundant number, since it is smaller than the sum of its proper divisors (249159372).

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

129074484 is a wasteful number, since it uses less digits than its factorization.

129074484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 129074484 is about 11361.0951936862. The cubic root of 129074484 is about 505.3746642902.

It can be divided in two parts, 12907 and 4484, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 129074484 in words is "one hundred twenty-nine million, seventy-four thousand, four hundred eighty-four".