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122112443 is a prime number
BaseRepresentation
bin1110100011101…
…00100110111011
322111202221210002
413101310212323
5222230044233
620041143215
73011636645
oct721644673
9274687702
10122112443
1162a24982
1234a8ab0b
131c3b65ab
1412309895
15aac16e8
hex74749bb

122112443 has 2 divisors, whose sum is σ = 122112444. Its totient is φ = 122112442.

The previous prime is 122112421. The next prime is 122112461. The reversal of 122112443 is 344211221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122112443 - 28 = 122112187 is a prime.

It is a super-2 number, since 2×1221124432 = 29822897470856498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122112413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056221 + 61056222.

It is an arithmetic number, because the mean of its divisors is an integer number (61056222).

Almost surely, 2122112443 is an apocalyptic number.

122112443 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112443 is an equidigital number, since it uses as much as digits as its factorization.

122112443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 122112443 is about 11050.4499003434. The cubic root of 122112443 is about 496.1198914025.

Adding to 122112443 its reverse (344211221), we get a palindrome (466323664).

The spelling of 122112443 in words is "one hundred twenty-two million, one hundred twelve thousand, four hundred forty-three".