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120034987 is a prime number
BaseRepresentation
bin1110010011110…
…01011010101011
322100212102001021
413021321122223
5221212104422
615524433311
72655165142
oct711713253
9270772037
10120034987
1161836076
1234248837
131bb39b27
1411d28759
15a810dc7
hex72796ab

120034987 has 2 divisors, whose sum is σ = 120034988. Its totient is φ = 120034986.

The previous prime is 120034963. The next prime is 120034997. The reversal of 120034987 is 789430021.

It is a strong prime.

It is an emirp because it is prime and its reverse (789430021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120034987 is a prime.

It is not a weakly prime, because it can be changed into another prime (120034927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60017493 + 60017494.

It is an arithmetic number, because the mean of its divisors is an integer number (60017494).

Almost surely, 2120034987 is an apocalyptic number.

120034987 is a deficient number, since it is larger than the sum of its proper divisors (1).

120034987 is an equidigital number, since it uses as much as digits as its factorization.

120034987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 120034987 is about 10956.0479644806. The cubic root of 120034987 is about 493.2903465202.

The spelling of 120034987 in words is "one hundred twenty million, thirty-four thousand, nine hundred eighty-seven".