10891201 has 2 divisors, whose sum is σ = 10891202. Its totient is φ = 10891200.

The previous prime is 10891193. The next prime is 10891207. The reversal of 10891201 is 10219801.

10891201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 497025 = 3224^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10891201 - 2³ = 10891193 is a prime.

It is not a weakly prime, because it can be changed into another prime (10891207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5445600 + 5445601.

It is an arithmetic number, because the mean of its divisors is an integer number (5445601).

Almost surely, 2^10891201 is an apocalyptic number.

It is an amenable number.

10891201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10891201 is an equidigital number, since it uses as much as digits as its factorization.

10891201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 10891201 is about 3300.1819646801. The cubic root of 10891201 is about 221.6623455040.

The spelling of 10891201 in words is "ten million, eight hundred ninety-one thousand, two hundred one".