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122108479 is a prime number
BaseRepresentation
bin1110100011100…
…11101000111111
322111202202100021
413101303220333
5222224432404
620041113011
73011622253
oct721635077
9274682307
10122108479
1162a219a9
1234a88767
131c3b484c
1412308263
15aac0454
hex7473a3f

122108479 has 2 divisors, whose sum is σ = 122108480. Its totient is φ = 122108478.

The previous prime is 122108461. The next prime is 122108509. The reversal of 122108479 is 974801221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122108479 - 27 = 122108351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122108419) 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, 61054239 + 61054240.

It is an arithmetic number, because the mean of its divisors is an integer number (61054240).

Almost surely, 2122108479 is an apocalyptic number.

122108479 is a deficient number, since it is larger than the sum of its proper divisors (1).

122108479 is an equidigital number, since it uses as much as digits as its factorization.

122108479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 122108479 is about 11050.2705396746. The cubic root of 122108479 is about 496.1145230156.

The spelling of 122108479 in words is "one hundred twenty-two million, one hundred eight thousand, four hundred seventy-nine".