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121875201 = 3272436427
BaseRepresentation
bin1110100001110…
…10101100000001
322111022220100100
413100322230001
5222200001301
620032113013
73006631200
oct720725401
9274286310
10121875201
1162882708
1234995769
131c332606
1412287237
15aa76286
hex743ab01

121875201 has 36 divisors (see below), whose sum is σ = 209578512. Its totient is φ = 68012784.

The previous prime is 121875181. The next prime is 121875209. The reversal of 121875201 is 102578121.

It is not a de Polignac number, because 121875201 - 27 = 121875073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121875209) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15750 + ... + 22176.

Almost surely, 2121875201 is an apocalyptic number.

It is an amenable number.

121875201 is a deficient number, since it is larger than the sum of its proper divisors (87703311).

121875201 is a wasteful number, since it uses less digits than its factorization.

121875201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490 (or 6480 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 121875201 is about 11039.7101864134. The cubic root of 121875201 is about 495.7983932319.

The spelling of 121875201 in words is "one hundred twenty-one million, eight hundred seventy-five thousand, two hundred one".

Divisors: 1 3 7 9 21 43 49 63 129 147 301 387 441 903 2107 2709 6321 6427 18963 19281 44989 57843 134967 276361 314923 404901 829083 944769 1934527 2487249 2834307 5803581 13541689 17410743 40625067 121875201