129484415 has 4 divisors (see below), whose sum is σ = 155381304. Its totient is φ = 103587528.

The previous prime is 129484403. The next prime is 129484441. The reversal of 129484415 is 514484921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129484415 - 2⁶ = 129484351 is a prime.

It is a Duffinian number.

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, 12948437 + ... + 12948446.

It is an arithmetic number, because the mean of its divisors is an integer number (38845326).

Almost surely, 2^129484415 is an apocalyptic number.

129484415 is a deficient number, since it is larger than the sum of its proper divisors (25896889).

129484415 is an equidigital number, since it uses as much as digits as its factorization.

129484415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25896888.

The product of its digits is 46080, while the sum is 38.

The square root of 129484415 is about 11379.1218905503. The cubic root of 129484415 is about 505.9091097352.

The spelling of 129484415 in words is "one hundred twenty-nine million, four hundred eighty-four thousand, four hundred fifteen".