129458884 has 9 divisors (see below), whose sum is σ = 226592877. Its totient is φ = 64718064.

The previous prime is 129458863. The next prime is 129458899. The reversal of 129458884 is 488854921.

The square root of 129458884 is 11378.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 123698884 + 5760000 = 11122^2 + 2400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19912 + ... + 25600.

Almost surely, 2^129458884 is an apocalyptic number.

129458884 is the 11378-th square number.

It is an amenable number.

129458884 is a deficient number, since it is larger than the sum of its proper divisors (97133993).

129458884 is an frugal number, since it uses more digits than its factorization.

129458884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382 (or 5691 counting only the distinct ones).

The product of its digits is 737280, while the sum is 49.

The cubic root of 129458884 is about 505.8758567899.

Multiplying 129458884 by its sum of digits (49), we get a square (6343485316 = 79646²).

The spelling of 129458884 in words is "one hundred twenty-nine million, four hundred fifty-eight thousand, eight hundred eighty-four".