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120525217 is a prime number
BaseRepresentation
bin1110010111100…
…01000110100001
322101210022111221
413023301012201
5221323301332
615543135041
72662306321
oct713610641
9271708457
10120525217
116204041a
1234444481
131bc7bcc7
1412015281
15a8ab297
hex72f11a1

120525217 has 2 divisors, whose sum is σ = 120525218. Its totient is φ = 120525216.

The previous prime is 120525157. The next prime is 120525239. The reversal of 120525217 is 712525021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113550336 + 6974881 = 10656^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 120525217 - 27 = 120525089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120525191 and 120525200.

It is not a weakly prime, because it can be changed into another prime (120525617) 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, 60262608 + 60262609.

It is an arithmetic number, because the mean of its divisors is an integer number (60262609).

Almost surely, 2120525217 is an apocalyptic number.

It is an amenable number.

120525217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120525217 is an equidigital number, since it uses as much as digits as its factorization.

120525217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 120525217 is about 10978.3977428403. The cubic root of 120525217 is about 493.9609767183.

The spelling of 120525217 in words is "one hundred twenty million, five hundred twenty-five thousand, two hundred seventeen".