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122023397 is a prime number
BaseRepresentation
bin1110100010111…
…10110111100101
322111121102122002
413101132313211
5222214222042
620035215045
73011116226
oct721366745
9274542562
10122023397
1162973a91
1234a47485
131c384bc2
14122c524d
15aaa5132
hex745ede5

122023397 has 2 divisors, whose sum is σ = 122023398. Its totient is φ = 122023396.

The previous prime is 122023367. The next prime is 122023403. The reversal of 122023397 is 793320221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121903681 + 119716 = 11041^2 + 346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122023397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122023357) 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, 61011698 + 61011699.

It is an arithmetic number, because the mean of its divisors is an integer number (61011699).

Almost surely, 2122023397 is an apocalyptic number.

It is an amenable number.

122023397 is a deficient number, since it is larger than the sum of its proper divisors (1).

122023397 is an equidigital number, since it uses as much as digits as its factorization.

122023397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 122023397 is about 11046.4200988375. The cubic root of 122023397 is about 495.9992696941. Note that the first 3 decimals are identical.

The spelling of 122023397 in words is "one hundred twenty-two million, twenty-three thousand, three hundred ninety-seven".