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121021332 = 22310939227
BaseRepresentation
bin1110011011010…
…10001110010100
322102201112001120
413031222032110
5221440140312
620001523540
72666443605
oct715521624
9272645046
10121021332
116234a133
12346435b0
131c0c3a73
1412103dac
15a95828c
hex736a394

121021332 has 24 divisors (see below), whose sum is σ = 282672096. Its totient is φ = 40299168.

The previous prime is 121021319. The next prime is 121021333. The reversal of 121021332 is 233120121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021333) 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, 8503 + ... + 17729.

It is an arithmetic number, because the mean of its divisors is an integer number (11778004).

Almost surely, 2121021332 is an apocalyptic number.

121021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121021332 is an abundant number, since it is smaller than the sum of its proper divisors (161650764).

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

121021332 is a wasteful number, since it uses less digits than its factorization.

121021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327 (or 10325 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121021332 is about 11000.9695936313. The cubic root of 121021332 is about 494.6378087154.

Adding to 121021332 its reverse (233120121), we get a palindrome (354141453).

The spelling of 121021332 in words is "one hundred twenty-one million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 1093 2186 3279 4372 6558 9227 13116 18454 27681 36908 55362 110724 10085111 20170222 30255333 40340444 60510666 121021332