190275121 has 4 divisors (see below), whose sum is σ = 190357744. Its totient is φ = 190192500.

The previous prime is 190275097. The next prime is 190275143. The reversal of 190275121 is 121572091.

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: 121572091 = 491 ⋅247601.

It is a cyclic number.

It is not a de Polignac number, because 190275121 - 2¹¹ = 190273073 is a prime.

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 190275121.

It is not an unprimeable number, because it can be changed into a prime (190275181) 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, 37755 + ... + 42496.

It is an arithmetic number, because the mean of its divisors is an integer number (47589436).

Almost surely, 2^190275121 is an apocalyptic number.

It is an amenable number.

190275121 is a deficient number, since it is larger than the sum of its proper divisors (82623).

190275121 is an equidigital number, since it uses as much as digits as its factorization.

190275121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82622.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 190275121 is about 13794.0248296137. The cubic root of 190275121 is about 575.1670551783.

The spelling of 190275121 in words is "one hundred ninety million, two hundred seventy-five thousand, one hundred twenty-one".