129561482 has 8 divisors (see below), whose sum is σ = 194405952. Its totient is φ = 64759500.

The previous prime is 129561409. The next prime is 129561503. The reversal of 129561482 is 284165921.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1394 + ... + 16157.

It is an arithmetic number, because the mean of its divisors is an integer number (24300744).

Almost surely, 2^129561482 is an apocalyptic number.

129561482 is a deficient number, since it is larger than the sum of its proper divisors (64844470).

129561482 is a wasteful number, since it uses less digits than its factorization.

129561482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21244.

The product of its digits is 34560, while the sum is 38.

The square root of 129561482 is about 11382.5077201819. The cubic root of 129561482 is about 506.0094594304.

The spelling of 129561482 in words is "one hundred twenty-nine million, five hundred sixty-one thousand, four hundred eighty-two".