129290058 has 24 divisors (see below), whose sum is σ = 280451808. Its totient is φ = 43046952.

The previous prime is 129290053. The next prime is 129290093. The reversal of 129290058 is 850092921.

It is not an unprimeable number, because it can be changed into a prime (129290053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14041 + ... + 21347.

It is an arithmetic number, because the mean of its divisors is an integer number (11685492).

Almost surely, 2^129290058 is an apocalyptic number.

129290058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

129290058 is an abundant number, since it is smaller than the sum of its proper divisors (151161750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129290058 is a wasteful number, since it uses less digits than its factorization.

129290058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298 (or 8295 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 129290058 is about 11370.5786132457. The cubic root of 129290058 is about 505.6558586280.

The spelling of 129290058 in words is "one hundred twenty-nine million, two hundred ninety thousand, fifty-eight".