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1225073 is a prime number
BaseRepresentation
bin100101011000101110001
32022020111002
410223011301
5303200243
642131345
713261433
oct4530561
92266432
101225073
11767463
124b0b55
1333b7c5
1423c653
15192eb8
hex12b171

1225073 has 2 divisors, whose sum is σ = 1225074. Its totient is φ = 1225072.

The previous prime is 1225067. The next prime is 1225079. The reversal of 1225073 is 3705221.

It is a balanced prime because it is at equal distance from previous prime (1225067) and next prime (1225079).

It can be written as a sum of positive squares in only one way, i.e., 1216609 + 8464 = 1103^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225073 - 26 = 1225009 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1225079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612536 + 612537.

It is an arithmetic number, because the mean of its divisors is an integer number (612537).

21225073 is an apocalyptic number.

It is an amenable number.

1225073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225073 is an equidigital number, since it uses as much as digits as its factorization.

1225073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1225073 is about 1106.8301586061. The cubic root of 1225073 is about 107.0008734316. Note that the first 3 decimals are identical.

The spelling of 1225073 in words is "one million, two hundred twenty-five thousand, seventy-three".