187420592241 has 9 divisors (see below), whose sum is σ = 270720509241. Its totient is φ = 124946195652.

The previous prime is 187420592201. The next prime is 187420592251. The reversal of 187420592241 is 142295024781.

The square root of 187420592241 is 432921.

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

187420592241 is a `hidden beast` number, since 18 + 7 + 4 + 2 + 0 + 592 + 2 + 41 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 187420592241 - 2¹¹ = 187420590193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (187420592201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1226610 + ... + 1370916.

Almost surely, 2^187420592241 is an apocalyptic number.

187420592241 is the 432921-st square number.

187420592241 is the 216461-st centered octagonal number.

It is an amenable number.

187420592241 is a deficient number, since it is larger than the sum of its proper divisors (83299917000).

187420592241 is an frugal number, since it uses more digits than its factorization.

187420592241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288620 (or 144310 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 187420592241 in words is "one hundred eighty-seven billion, four hundred twenty million, five hundred ninety-two thousand, two hundred forty-one".