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120000043 is a prime number
BaseRepresentation
bin1110010011100…
…00111000101011
322100210122010001
413021300320223
5221210000133
615524003431
72654661232
oct711607053
9270718101
10120000043
1161811899
1234230577
131bb26c57
1411d19b19
15a80587d
hex7270e2b

120000043 has 2 divisors, whose sum is σ = 120000044. Its totient is φ = 120000042.

The previous prime is 120000031. The next prime is 120000053. The reversal of 120000043 is 340000021.

It is an a-pointer prime, because the next prime (120000053) can be obtained adding 120000043 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120000043 - 29 = 119999531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 119999984 and 120000029.

It is not a weakly prime, because it can be changed into another prime (120000053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000021 + 60000022.

It is an arithmetic number, because the mean of its divisors is an integer number (60000022).

Almost surely, 2120000043 is an apocalyptic number.

120000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000043 is an equidigital number, since it uses as much as digits as its factorization.

120000043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 120000043 is about 10954.4531127756. The cubic root of 120000043 is about 493.2424737812.

Adding to 120000043 its reverse (340000021), we get a palindrome (460000064).

The spelling of 120000043 in words is "one hundred twenty million, forty-three", and thus it is an aban number.