9129129401 has 8 divisors (see below), whose sum is σ = 10460534784. Its totient is φ = 7804535040.

The previous prime is 9129129389. The next prime is 9129129403. The reversal of 9129129401 is 1049219219.

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 9129129401 - 2⁶ = 9129129337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9129129403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699880 + ... + 1705241.

It is an arithmetic number, because the mean of its divisors is an integer number (1307566848).

Almost surely, 2^9129129401 is an apocalyptic number.

It is an amenable number.

9129129401 is a deficient number, since it is larger than the sum of its proper divisors (1331405383).

9129129401 is a wasteful number, since it uses less digits than its factorization.

9129129401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405511.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 9129129401 is about 95546.4777006458. The cubic root of 9129129401 is about 2089.9847683238.

The spelling of 9129129401 in words is "nine billion, one hundred twenty-nine million, one hundred twenty-nine thousand, four hundred one".