9115601 has 4 divisors (see below), whose sum is σ = 9944304. Its totient is φ = 8286900.

The previous prime is 9115549. The next prime is 9115633. The reversal of 9115601 is 1065119.

9115601 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9115601 - 2⁶ = 9115537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9115201) 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, 414335 + ... + 414356.

It is an arithmetic number, because the mean of its divisors is an integer number (2486076).

Almost surely, 2^9115601 is an apocalyptic number.

It is an amenable number.

9115601 is a deficient number, since it is larger than the sum of its proper divisors (828703).

9115601 is a wasteful number, since it uses less digits than its factorization.

9115601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828702.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 9115601 is about 3019.2053590307. The cubic root of 9115601 is about 208.8951879398.

The spelling of 9115601 in words is "nine million, one hundred fifteen thousand, six hundred one".