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122916863 is a prime number
BaseRepresentation
bin1110101001110…
…00111111111111
322120021211020102
413110320333333
5222431314423
620110311315
73021530126
oct724707777
9276254212
10122916863
1163424293
12351b853b
131c608794
1412478abd
15abcec28
hex7538fff

122916863 has 2 divisors, whose sum is σ = 122916864. Its totient is φ = 122916862.

The previous prime is 122916821. The next prime is 122916881. The reversal of 122916863 is 368619221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122916863 - 26 = 122916799 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122916463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61458431 + 61458432.

It is an arithmetic number, because the mean of its divisors is an integer number (61458432).

Almost surely, 2122916863 is an apocalyptic number.

122916863 is a deficient number, since it is larger than the sum of its proper divisors (1).

122916863 is an equidigital number, since it uses as much as digits as its factorization.

122916863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 122916863 is about 11086.7877674284. The cubic root of 122916863 is about 497.2069103536.

The spelling of 122916863 in words is "one hundred twenty-two million, nine hundred sixteen thousand, eight hundred sixty-three".