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121667227 = 1138328879
BaseRepresentation
bin1110100000001…
…11111010011011
322110221100001121
413100013322123
5222121322402
620023430111
73005103643
oct720077233
9273840047
10121667227
1162750430
12348b5337
131c28ba56
1412231523
15aa34837
hex7407e9b

121667227 has 8 divisors (see below), whose sum is σ = 133079040. Its totient is φ = 110313960.

The previous prime is 121667201. The next prime is 121667237. The reversal of 121667227 is 722766121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121667227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121667192 and 121667201.

It is not an unprimeable number, because it can be changed into a prime (121667237) 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, 10227 + ... + 18652.

It is an arithmetic number, because the mean of its divisors is an integer number (16634880).

Almost surely, 2121667227 is an apocalyptic number.

121667227 is a deficient number, since it is larger than the sum of its proper divisors (11411813).

121667227 is a wasteful number, since it uses less digits than its factorization.

121667227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273.

The product of its digits is 14112, while the sum is 34.

The square root of 121667227 is about 11030.2868049747. The cubic root of 121667227 is about 495.5162141876.

The spelling of 121667227 in words is "one hundred twenty-one million, six hundred sixty-seven thousand, two hundred twenty-seven".

Divisors: 1 11 383 4213 28879 317669 11060657 121667227