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122112307 is a prime number
BaseRepresentation
bin1110100011101…
…00100100110011
322111202221121001
413101310210303
5222230043212
620041142431
73011636362
oct721644463
9274687531
10122112307
1162a24869
1234a8aa17
131c3b6505
14123097d9
15aac1657
hex7474933

122112307 has 2 divisors, whose sum is σ = 122112308. Its totient is φ = 122112306.

The previous prime is 122112293. The next prime is 122112311. The reversal of 122112307 is 703211221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122112307 - 223 = 113723699 is a prime.

It is a super-2 number, since 2×1221123072 = 29822831041724498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122112407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056153 + 61056154.

It is an arithmetic number, because the mean of its divisors is an integer number (61056154).

Almost surely, 2122112307 is an apocalyptic number.

122112307 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112307 is an equidigital number, since it uses as much as digits as its factorization.

122112307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 122112307 is about 11050.4437467461. The cubic root of 122112307 is about 496.1197072216.

Adding to 122112307 its reverse (703211221), we get a palindrome (825323528).

The spelling of 122112307 in words is "one hundred twenty-two million, one hundred twelve thousand, three hundred seven".