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121133201 = 721182013
BaseRepresentation
bin1110011100001…
…01100010010001
322102221012111212
413032011202101
5222002230301
620004145505
73000421010
oct716054221
9272835455
10121133201
1162416192
1234698295
131c132967
1412132a77
15a97b4bb
hex7385891

121133201 has 8 divisors (see below), whose sum is σ = 139095744. Its totient is φ = 103335120.

The previous prime is 121133197. The next prime is 121133209. The reversal of 121133201 is 102331121.

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

It is not a de Polignac number, because 121133201 - 22 = 121133197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121133209) 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, 39530 + ... + 42483.

It is an arithmetic number, because the mean of its divisors is an integer number (17386968).

Almost surely, 2121133201 is an apocalyptic number.

It is an amenable number.

121133201 is a deficient number, since it is larger than the sum of its proper divisors (17962543).

121133201 is an equidigital number, since it uses as much as digits as its factorization.

121133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82231.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121133201 is about 11006.0529255496. The cubic root of 121133201 is about 494.7901719252.

Adding to 121133201 its reverse (102331121), we get a palindrome (223464322).

The spelling of 121133201 in words is "one hundred twenty-one million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 7 211 1477 82013 574091 17304743 121133201