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1122427 is a prime number
BaseRepresentation
bin100010010000001111011
32010000200101
410102001323
5241404202
640020231
712353245
oct4220173
92100611
101122427
116a7329
12461677
13303b77
14213095
15172887
hex11207b

1122427 has 2 divisors, whose sum is σ = 1122428. Its totient is φ = 1122426.

The previous prime is 1122419. The next prime is 1122431. The reversal of 1122427 is 7242211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122427 - 23 = 1122419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561213 + 561214.

It is an arithmetic number, because the mean of its divisors is an integer number (561214).

21122427 is an apocalyptic number.

1122427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122427 is an equidigital number, since it uses as much as digits as its factorization.

1122427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 19.

The square root of 1122427 is about 1059.4465536307. The cubic root of 1122427 is about 103.9248409138.

Adding to 1122427 its reverse (7242211), we get a palindrome (8364638).

The spelling of 1122427 in words is "one million, one hundred twenty-two thousand, four hundred twenty-seven".