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1201152457 is a prime number
BaseRepresentation
bin100011110011000…
…0010000111001001
310002201011212102001
41013212002013021
54424443334312
6315104511001
741523425131
oct10746020711
93081155361
101201152457
1156702368a
1229631b461
13161b08bcb
14b574dac1
15706b7057
hex479821c9

1201152457 has 2 divisors, whose sum is σ = 1201152458. Its totient is φ = 1201152456.

The previous prime is 1201152401. The next prime is 1201152467. The reversal of 1201152457 is 7542511021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1138995001 + 62157456 = 33749^2 + 7884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1201152457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201152467) 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, 600576228 + 600576229.

It is an arithmetic number, because the mean of its divisors is an integer number (600576229).

Almost surely, 21201152457 is an apocalyptic number.

It is an amenable number.

1201152457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201152457 is an equidigital number, since it uses as much as digits as its factorization.

1201152457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1201152457 is about 34657.6464434618. The cubic root of 1201152457 is about 1062.9986459788.

Adding to 1201152457 its reverse (7542511021), we get a palindrome (8743663478).

The spelling of 1201152457 in words is "one billion, two hundred one million, one hundred fifty-two thousand, four hundred fifty-seven".