190170127225 has 27 divisors (see below), whose sum is σ = 255383659143. Its totient is φ = 140412392640.

The previous prime is 190170127187. The next prime is 190170127249. The reversal of 190170127225 is 522721071091.

It is a happy number.

The square root of 190170127225 is 436085.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 158839711209 + 31330416016 = 398547^2 + 177004^2 .

It is not a de Polignac number, because 190170127225 - 2¹⁹ = 190169602937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28342171 + ... + 28348879.

Almost surely, 2^190170127225 is an apocalyptic number.

190170127225 is the 436085-th square number.

190170127225 is the 218043-rd centered octagonal number.

It is an amenable number.

190170127225 is a deficient number, since it is larger than the sum of its proper divisors (65213531918).

190170127225 is an frugal number, since it uses more digits than its factorization.

190170127225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13454 (or 6727 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 190170127225 in words is "one hundred ninety billion, one hundred seventy million, one hundred twenty-seven thousand, two hundred twenty-five".