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128848201 is a prime number
BaseRepresentation
bin1111010111000…
…01000101001001
322222110011111121
413223201011021
5230441120301
620441355241
73123122506
oct753410511
9288404447
10128848201
1166805619
1237198b21
1320904451
14131804ad
15b4a23a1
hex7ae1149

128848201 has 2 divisors, whose sum is σ = 128848202. Its totient is φ = 128848200.

The previous prime is 128848193. The next prime is 128848211. The reversal of 128848201 is 102848821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128799801 + 48400 = 11349^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 128848201 - 23 = 128848193 is a prime.

It is not a weakly prime, because it can be changed into another prime (128848211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64424100 + 64424101.

It is an arithmetic number, because the mean of its divisors is an integer number (64424101).

Almost surely, 2128848201 is an apocalyptic number.

It is an amenable number.

128848201 is a deficient number, since it is larger than the sum of its proper divisors (1).

128848201 is an equidigital number, since it uses as much as digits as its factorization.

128848201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 128848201 is about 11351.1321461782. The cubic root of 128848201 is about 505.0791641408.

The spelling of 128848201 in words is "one hundred twenty-eight million, eight hundred forty-eight thousand, two hundred one".