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1201222507 is a prime number
BaseRepresentation
bin100011110011001…
…0011001101101011
310002201022102111111
41013212103031223
54430003110012
6315110211151
741524136302
oct10746231553
93081272444
101201222507
11567071281
12296353ab7
13161b31a64
14b576b439
15706ccba7
hex4799336b

1201222507 has 2 divisors, whose sum is σ = 1201222508. Its totient is φ = 1201222506.

The previous prime is 1201222487. The next prime is 1201222511. The reversal of 1201222507 is 7052221021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201222507 - 215 = 1201189739 is a prime.

It is a super-2 number, since 2×12012225072 = 2885871022646730098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1201222207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600611253 + 600611254.

It is an arithmetic number, because the mean of its divisors is an integer number (600611254).

Almost surely, 21201222507 is an apocalyptic number.

1201222507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201222507 is an equidigital number, since it uses as much as digits as its factorization.

1201222507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1201222507 is about 34658.6570282231. The cubic root of 1201222507 is about 1063.0193099135.

Adding to 1201222507 its reverse (7052221021), we get a palindrome (8253443528).

The spelling of 1201222507 in words is "one billion, two hundred one million, two hundred twenty-two thousand, five hundred seven".