10191001 has 16 divisors (see below), whose sum is σ = 11104128. Its totient is φ = 9328000.

The previous prime is 10190969. The next prime is 10191017. The reversal of 10191001 is 10019101.

It is a cyclic number.

It is not a de Polignac number, because 10191001 - 2⁵ = 10190969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10191061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95190 + ... + 95296.

It is an arithmetic number, because the mean of its divisors is an integer number (694008).

Almost surely, 2^10191001 is an apocalyptic number.

It is an amenable number.

10191001 is a deficient number, since it is larger than the sum of its proper divisors (913127).

10191001 is a wasteful number, since it uses less digits than its factorization.

10191001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 10191001 is about 3192.3347255575. The cubic root of 10191001 is about 216.8064914679.

It can be divided in two parts, 1019100 and 1, that added together give a palindrome (1019101).

The spelling of 10191001 in words is "ten million, one hundred ninety-one thousand, one".