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1238087 is a prime number
BaseRepresentation
bin100101110010001000111
32022220100002
410232101013
5304104322
642311515
713344404
oct4562107
92286302
101238087
11776214
124b859b
133446c6
142432ab
15196c92
hex12e447

1238087 has 2 divisors, whose sum is σ = 1238088. Its totient is φ = 1238086.

The previous prime is 1238071. The next prime is 1238089. The reversal of 1238087 is 7808321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1238087 - 24 = 1238071 is a prime.

Together with 1238089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1238089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619043 + 619044.

It is an arithmetic number, because the mean of its divisors is an integer number (619044).

21238087 is an apocalyptic number.

1238087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238087 is an equidigital number, since it uses as much as digits as its factorization.

1238087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1238087 is about 1112.6935786640. The cubic root of 1238087 is about 107.3784311686.

The spelling of 1238087 in words is "one million, two hundred thirty-eight thousand, eighty-seven".