129498048 has 56 divisors (see below), whose sum is σ = 380705360. Its totient is φ = 43165440.

The previous prime is 129498043. The next prime is 129498077. The reversal of 129498048 is 840894921.

It is a junction number, because it is equal to n+sod(n) for n = 129497994 and 129498012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129498041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35743 + ... + 39198.

It is an arithmetic number, because the mean of its divisors is an integer number (6798310).

Almost surely, 2^129498048 is an apocalyptic number.

129498048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

129498048 is an abundant number, since it is smaller than the sum of its proper divisors (251207312).

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

129498048 is an equidigital number, since it uses as much as digits as its factorization.

129498048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74962 (or 74946 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 129498048 is about 11379.7209104617. The cubic root of 129498048 is about 505.9268642963.

The spelling of 129498048 in words is "one hundred twenty-nine million, four hundred ninety-eight thousand, forty-eight".