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122868479 is a prime number
BaseRepresentation
bin1110101001011…
…01001011111111
322120012100212102
413110231023333
5222423242404
620105255315
73021236066
oct724551377
9276170772
10122868479
11633a09a8
123519453b
131c5bc756
14124651dd
15abc071e
hex752d2ff

122868479 has 2 divisors, whose sum is σ = 122868480. Its totient is φ = 122868478.

The previous prime is 122868467. The next prime is 122868491. The reversal of 122868479 is 974868221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (122868467) and next prime (122868491).

It is a cyclic number.

It is not a de Polignac number, because 122868479 - 28 = 122868223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122864479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61434239 + 61434240.

It is an arithmetic number, because the mean of its divisors is an integer number (61434240).

Almost surely, 2122868479 is an apocalyptic number.

122868479 is a deficient number, since it is larger than the sum of its proper divisors (1).

122868479 is an equidigital number, since it uses as much as digits as its factorization.

122868479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 122868479 is about 11084.6054959119. The cubic root of 122868479 is about 497.1416629558.

The spelling of 122868479 in words is "one hundred twenty-two million, eight hundred sixty-eight thousand, four hundred seventy-nine".