129424196 has 48 divisors (see below), whose sum is σ = 265410432. Its totient is φ = 54566400.

The previous prime is 129424193. The next prime is 129424223. The reversal of 129424196 is 691424921.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (129424193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51890 + ... + 54326.

It is an arithmetic number, because the mean of its divisors is an integer number (5529384).

Almost surely, 2^129424196 is an apocalyptic number.

It is an amenable number.

129424196 is an abundant number, since it is smaller than the sum of its proper divisors (135986236).

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

129424196 is a wasteful number, since it uses less digits than its factorization.

129424196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540 (or 2538 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 129424196 is about 11376.4755526481. The cubic root of 129424196 is about 505.8306702702.

The spelling of 129424196 in words is "one hundred twenty-nine million, four hundred twenty-four thousand, one hundred ninety-six".