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121262201 is a prime number
BaseRepresentation
bin1110011101001…
…01000001111001
322110011202110122
413032211001321
5222020342301
620011023025
73001466054
oct716450171
9273152418
10121262201
11624a40a5
123473aa75
131c1795a8
1412167a9b
15a9a481b
hex73a5079

121262201 has 2 divisors, whose sum is σ = 121262202. Its totient is φ = 121262200.

The previous prime is 121262191. The next prime is 121262213. The reversal of 121262201 is 102262121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98029801 + 23232400 = 9901^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 121262201 - 210 = 121261177 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121262201.

It is not a weakly prime, because it can be changed into another prime (121262261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60631100 + 60631101.

It is an arithmetic number, because the mean of its divisors is an integer number (60631101).

Almost surely, 2121262201 is an apocalyptic number.

It is an amenable number.

121262201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121262201 is an equidigital number, since it uses as much as digits as its factorization.

121262201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 121262201 is about 11011.9117777069. The cubic root of 121262201 is about 494.9657507848.

The spelling of 121262201 in words is "one hundred twenty-one million, two hundred sixty-two thousand, two hundred one".