190771201 has 4 divisors (see below), whose sum is σ = 190854832. Its totient is φ = 190687572.

The previous prime is 190771187. The next prime is 190771211. The reversal of 190771201 is 102177091.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102177091 = 37 ⋅2761543.

It is a cyclic number.

It is not a de Polignac number, because 190771201 - 2²¹ = 188674049 is a prime.

It is a super-2 number, since 2×190771201² = 72787302261964802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190771201.

It is not an unprimeable number, because it can be changed into a prime (190771211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38295 + ... + 42988.

It is an arithmetic number, because the mean of its divisors is an integer number (47713708).

Almost surely, 2^190771201 is an apocalyptic number.

It is an amenable number.

190771201 is a deficient number, since it is larger than the sum of its proper divisors (83631).

190771201 is an equidigital number, since it uses as much as digits as its factorization.

190771201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83630.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 190771201 is about 13811.9948233411. The cubic root of 190771201 is about 575.6664745850. Note that the first 3 decimals are identical.

The spelling of 190771201 in words is "one hundred ninety million, seven hundred seventy-one thousand, two hundred one".