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122522993 is a prime number
BaseRepresentation
bin1110100110110…
…00110101110001
322112112210221122
413103120311301
5222331213433
620054032025
73015266615
oct723306561
9275483848
10122522993
116318537a
1235048615
131c4cb418
14123b5345
15ab53198
hex74d8d71

122522993 has 2 divisors, whose sum is σ = 122522994. Its totient is φ = 122522992.

The previous prime is 122522989. The next prime is 122523017. The reversal of 122522993 is 399225221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89264704 + 33258289 = 9448^2 + 5767^2 .

It is a cyclic number.

It is not a de Polignac number, because 122522993 - 22 = 122522989 is a prime.

It is not a weakly prime, because it can be changed into another prime (122522693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61261496 + 61261497.

It is an arithmetic number, because the mean of its divisors is an integer number (61261497).

Almost surely, 2122522993 is an apocalyptic number.

It is an amenable number.

122522993 is a deficient number, since it is larger than the sum of its proper divisors (1).

122522993 is an equidigital number, since it uses as much as digits as its factorization.

122522993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 122522993 is about 11069.0104797132. The cubic root of 122522993 is about 496.6752652796.

The spelling of 122522993 in words is "one hundred twenty-two million, five hundred twenty-two thousand, nine hundred ninety-three".