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1122880397 is a prime number
BaseRepresentation
bin100001011101101…
…1100101110001101
32220020220020022212
41002323130232031
54244424133042
6303231120205
736553216532
oct10273345615
92806806285
101122880397
11526922731
12274073065
1314b832192
14a91b6d89
15688a5482
hex42edcb8d

1122880397 has 2 divisors, whose sum is σ = 1122880398. Its totient is φ = 1122880396.

The previous prime is 1122880361. The next prime is 1122880427. The reversal of 1122880397 is 7930882211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730404676 + 392475721 = 27026^2 + 19811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122880397 - 212 = 1122876301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122880307) 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, 561440198 + 561440199.

It is an arithmetic number, because the mean of its divisors is an integer number (561440199).

Almost surely, 21122880397 is an apocalyptic number.

It is an amenable number.

1122880397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122880397 is an equidigital number, since it uses as much as digits as its factorization.

1122880397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1122880397 is about 33509.4075895113. The cubic root of 1122880397 is about 1039.3883228193.

The spelling of 1122880397 in words is "one billion, one hundred twenty-two million, eight hundred eighty thousand, three hundred ninety-seven".