129948601 has 8 divisors (see below), whose sum is σ = 132809600. Its totient is φ = 127118160.

The previous prime is 129948589. The next prime is 129948607. The reversal of 129948601 is 106849921.

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

It is a cyclic number.

It is not a de Polignac number, because 129948601 - 2⁹ = 129948089 is a prime.

It is the 11400-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129948607) by changing a digit.

It is a nontrivial repunit in base 11399.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066 + ... + 16156.

It is an arithmetic number, because the mean of its divisors is an integer number (16601200).

Almost surely, 2^129948601 is an apocalyptic number.

It is an amenable number.

129948601 is a deficient number, since it is larger than the sum of its proper divisors (2860999).

129948601 is a wasteful number, since it uses less digits than its factorization.

129948601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15279.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 129948601 is about 11399.5000328962. The cubic root of 129948601 is about 506.5129298013.

The spelling of 129948601 in words is "one hundred twenty-nine million, nine hundred forty-eight thousand, six hundred one".