Search a number
-
+
121032271 is a prime number
BaseRepresentation
bin1110011011011…
…00111001001111
322102202002001201
413031230321033
5221441013041
620002050331
72666520523
oct715547117
9272662051
10121032271
1162357378
12346499a7
131c0c8a39
1412107d83
15a95b631
hex736ce4f

121032271 has 2 divisors, whose sum is σ = 121032272. Its totient is φ = 121032270.

The previous prime is 121032211. The next prime is 121032281. The reversal of 121032271 is 172230121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121032271 - 29 = 121031759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121032211) 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 as a sum of consecutive naturals, namely, 60516135 + 60516136.

It is an arithmetic number, because the mean of its divisors is an integer number (60516136).

Almost surely, 2121032271 is an apocalyptic number.

121032271 is a deficient number, since it is larger than the sum of its proper divisors (1).

121032271 is an equidigital number, since it uses as much as digits as its factorization.

121032271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 121032271 is about 11001.4667658454. The cubic root of 121032271 is about 494.6527115425.

Adding to 121032271 its reverse (172230121), we get a palindrome (293262392).

The spelling of 121032271 in words is "one hundred twenty-one million, thirty-two thousand, two hundred seventy-one".