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121141 = 232229
BaseRepresentation
bin11101100100110101
320011011201
4131210311
512334031
62332501
71013116
oct354465
9204151
10121141
1183019
125a131
13431a7
143220d
1525d61
hex1d935

121141 has 6 divisors (see below), whose sum is σ = 127190. Its totient is φ = 115368.

The previous prime is 121139. The next prime is 121151. The reversal of 121141 is 141121.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 2116 = 345^2 + 46^2 .

It is not a de Polignac number, because 121141 - 21 = 121139 is a prime.

It is a super-3 number, since 3×1211413 = 5333284087818663, which contains 333 as substring.

121141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415 + ... + 643.

2121141 is an apocalyptic number.

It is an amenable number.

121141 is a deficient number, since it is larger than the sum of its proper divisors (6049).

121141 is an equidigital number, since it uses as much as digits as its factorization.

121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 252 counting only the distinct ones).

The product of its digits is 8, while the sum is 10.

The square root of 121141 is about 348.0531568597. The cubic root of 121141 is about 49.4800790500.

Adding to 121141 its reverse (141121), we get a palindrome (262262).

It can be divided in two parts, 121 and 141, that added together give a palindrome (262).

The spelling of 121141 in words is "one hundred twenty-one thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 23 229 529 5267 121141