129601104 has 20 divisors (see below), whose sum is σ = 334802976. Its totient is φ = 43200352.

The previous prime is 129601103. The next prime is 129601117. The reversal of 129601104 is 401106921.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129601103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349964 + ... + 1350059.

Almost surely, 2^129601104 is an apocalyptic number.

It is an amenable number.

129601104 is an abundant number, since it is smaller than the sum of its proper divisors (205201872).

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

129601104 is a wasteful number, since it uses less digits than its factorization.

129601104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700034 (or 2700028 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 129601104 is about 11384.2480647604. The cubic root of 129601104 is about 506.0610361363.

The spelling of 129601104 in words is "one hundred twenty-nine million, six hundred one thousand, one hundred four".