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1122402397 is a prime number
BaseRepresentation
bin100001011100110…
…1000000001011101
32220012222221122011
41002321220001131
54244313334042
6303212551221
736546156124
oct10271500135
92805887564
101122402397
11526626596
12273a82511
1314b6c573c
14a90d0abb
156880da17
hex42e6805d

1122402397 has 2 divisors, whose sum is σ = 1122402398. Its totient is φ = 1122402396.

The previous prime is 1122402349. The next prime is 1122402401. The reversal of 1122402397 is 7932042211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118634916 + 3767481 = 33446^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122402397 - 27 = 1122402269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122402097) 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, 561201198 + 561201199.

It is an arithmetic number, because the mean of its divisors is an integer number (561201199).

Almost surely, 21122402397 is an apocalyptic number.

It is an amenable number.

1122402397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122402397 is an equidigital number, since it uses as much as digits as its factorization.

1122402397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1122402397 is about 33502.2745048750. The cubic root of 1122402397 is about 1039.2408158261.

The spelling of 1122402397 in words is "one billion, one hundred twenty-two million, four hundred two thousand, three hundred ninety-seven".