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121268 = 2276171
BaseRepresentation
bin11101100110110100
320011100102
4131212310
512340033
62333232
71013360
oct354664
9204312
10121268
1183124
125a218
1343274
14322a0
1525de8
hex1d9b4

121268 has 24 divisors (see below), whose sum is σ = 249984. Its totient is φ = 50400.

The previous prime is 121267. The next prime is 121271. The reversal of 121268 is 862121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (10416).

2121268 is an apocalyptic number.

It is an amenable number.

121268 is an abundant number, since it is smaller than the sum of its proper divisors (128716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121268 is a wasteful number, since it uses less digits than its factorization.

121268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 141 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 121268 is about 348.2355524641. The cubic root of 121268 is about 49.4973640742.

Adding to 121268 its reverse (862121), we get a palindrome (983389).

The spelling of 121268 in words is "one hundred twenty-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 61 71 122 142 244 284 427 497 854 994 1708 1988 4331 8662 17324 30317 60634 121268