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1230371 is a prime number
BaseRepresentation
bin100101100011000100011
32022111202022
410230120203
5303332441
642212055
713313042
oct4543043
92274668
101230371
1177043a
124b402b
1334103c
14240559
1519484b
hex12c623

1230371 has 2 divisors, whose sum is σ = 1230372. Its totient is φ = 1230370.

The previous prime is 1230367. The next prime is 1230373. The reversal of 1230371 is 1730321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230371 - 22 = 1230367 is a prime.

It is a Sophie Germain prime.

Together with 1230373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1230373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615185 + 615186.

It is an arithmetic number, because the mean of its divisors is an integer number (615186).

21230371 is an apocalyptic number.

1230371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230371 is an equidigital number, since it uses as much as digits as its factorization.

1230371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1230371 is about 1109.2208977476. The cubic root of 1230371 is about 107.1548983716.

Adding to 1230371 its reverse (1730321), we get a palindrome (2960692).

The spelling of 1230371 in words is "one million, two hundred thirty thousand, three hundred seventy-one".