129078482 has 48 divisors (see below), whose sum is σ = 220372992. Its totient is φ = 56609280.

The previous prime is 129078463. The next prime is 129078493. The reversal of 129078482 is 284870921.

It is a super-2 number, since 2×129078482² = 33322509030848648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1016303 + ... + 1016429.

It is an arithmetic number, because the mean of its divisors is an integer number (4591104).

Almost surely, 2^129078482 is an apocalyptic number.

129078482 is a deficient number, since it is larger than the sum of its proper divisors (91294510).

129078482 is a wasteful number, since it uses less digits than its factorization.

129078482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 129078482 is about 11361.2711436705. The cubic root of 129078482 is about 505.3798821225.

The spelling of 129078482 in words is "one hundred twenty-nine million, seventy-eight thousand, four hundred eighty-two".