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120077231 is a prime number
BaseRepresentation
bin1110010100000…
…11101110101111
322100221112222212
413022003232233
5221214432411
615525401035
72655432251
oct712035657
9270845885
10120077231
116186488a
123426917b
131bb53121
1411d39cd1
15a81d68b
hex7283baf

120077231 has 2 divisors, whose sum is σ = 120077232. Its totient is φ = 120077230.

The previous prime is 120077161. The next prime is 120077257. The reversal of 120077231 is 132770021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120077231 - 210 = 120076207 is a prime.

It is a super-2 number, since 2×1200772312 = 28837082809254722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120077197 and 120077206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120077261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60038615 + 60038616.

It is an arithmetic number, because the mean of its divisors is an integer number (60038616).

Almost surely, 2120077231 is an apocalyptic number.

120077231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120077231 is an equidigital number, since it uses as much as digits as its factorization.

120077231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 120077231 is about 10957.9756798416. The cubic root of 120077231 is about 493.3482077428.

The spelling of 120077231 in words is "one hundred twenty million, seventy-seven thousand, two hundred thirty-one".