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1240973 is a prime number
BaseRepresentation
bin100101110111110001101
32100001021222
410232332031
5304202343
642333125
713355666
oct4567615
92301258
101240973
117783a8
124ba1a5
13345b06
1424436d
15197a68
hex12ef8d

1240973 has 2 divisors, whose sum is σ = 1240974. Its totient is φ = 1240972.

The previous prime is 1240957. The next prime is 1240979. The reversal of 1240973 is 3790421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 26569 = 1102^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240973 - 24 = 1240957 is a prime.

It is a super-3 number, since 3×12409733 = 5733347331459141951, which contains 333 as substring.

It is a plaindrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620486 + 620487.

It is an arithmetic number, because the mean of its divisors is an integer number (620487).

21240973 is an apocalyptic number.

It is an amenable number.

1240973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240973 is an equidigital number, since it uses as much as digits as its factorization.

1240973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1240973 is about 1113.9896767924. The cubic root of 1240973 is about 107.4618000202.

The spelling of 1240973 in words is "one million, two hundred forty thousand, nine hundred seventy-three".