9901137 has 8 divisors (see below), whose sum is σ = 13508704. Its totient is φ = 6447168.

The previous prime is 9901117. The next prime is 9901139. The reversal of 9901137 is 7311099.

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

It is not a de Polignac number, because 9901137 - 2⁷ = 9901009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9901139) 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, 38248 + ... + 38505.

It is an arithmetic number, because the mean of its divisors is an integer number (1688588).

Almost surely, 2^9901137 is an apocalyptic number.

It is an amenable number.

9901137 is a deficient number, since it is larger than the sum of its proper divisors (3607567).

9901137 is a wasteful number, since it uses less digits than its factorization.

9901137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76799.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 9901137 is about 3146.6072204837. The cubic root of 9901137 is about 214.7311367878.

The spelling of 9901137 in words is "nine million, nine hundred one thousand, one hundred thirty-seven".