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120870137 is a prime number
BaseRepresentation
bin1110011010001…
…01010011111001
322102102211122202
413031011103321
5221420321022
615554355545
72665244033
oct715052371
9272384582
10120870137
1162256583
123458bbb5
131c06ccbb
14120a4c53
15a928592
hex73454f9

120870137 has 2 divisors, whose sum is σ = 120870138. Its totient is φ = 120870136.

The previous prime is 120870133. The next prime is 120870151. The reversal of 120870137 is 731078021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92525161 + 28344976 = 9619^2 + 5324^2 .

It is a cyclic number.

It is not a de Polignac number, because 120870137 - 22 = 120870133 is a prime.

It is not a weakly prime, because it can be changed into another prime (120870133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60435068 + 60435069.

It is an arithmetic number, because the mean of its divisors is an integer number (60435069).

Almost surely, 2120870137 is an apocalyptic number.

It is an amenable number.

120870137 is a deficient number, since it is larger than the sum of its proper divisors (1).

120870137 is an equidigital number, since it uses as much as digits as its factorization.

120870137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 120870137 is about 10994.0955517041. The cubic root of 120870137 is about 494.4317350472.

The spelling of 120870137 in words is "one hundred twenty million, eight hundred seventy thousand, one hundred thirty-seven".