129493048 has 16 divisors (see below), whose sum is σ = 243748080. Its totient is φ = 64493568.

The previous prime is 129493027. The next prime is 129493051. The reversal of 129493048 is 840394921.

It is a self number, because there is not a number n which added to its sum of digits gives 129493048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29436 + ... + 33547.

It is an arithmetic number, because the mean of its divisors is an integer number (15234255).

Almost surely, 2^129493048 is an apocalyptic number.

It is an amenable number.

129493048 is a deficient number, since it is larger than the sum of its proper divisors (114255032).

129493048 is a wasteful number, since it uses less digits than its factorization.

129493048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63246 (or 63242 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 129493048 is about 11379.5012192978. The cubic root of 129493048 is about 505.9203528290.

The spelling of 129493048 in words is "one hundred twenty-nine million, four hundred ninety-three thousand, forty-eight".