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122135133061 is a prime number
BaseRepresentation
bin111000110111111010…
…0100011101110000101
3102200020210210121102201
41301233310203232011
54000113043224221
6132035203434501
711552423334064
oct1615764435605
9380223717381
10122135133061
114788510a1a7
121b806985a31
13b695656706
145ca8b3a1db
15329c65c891
hex1c6fd23b85

122135133061 has 2 divisors, whose sum is σ = 122135133062. Its totient is φ = 122135133060.

The previous prime is 122135132953. The next prime is 122135133137. The reversal of 122135133061 is 160331531221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64135562500 + 57999570561 = 253250^2 + 240831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122135133061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122135133161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61067566530 + 61067566531.

It is an arithmetic number, because the mean of its divisors is an integer number (61067566531).

Almost surely, 2122135133061 is an apocalyptic number.

It is an amenable number.

122135133061 is a deficient number, since it is larger than the sum of its proper divisors (1).

122135133061 is an equidigital number, since it uses as much as digits as its factorization.

122135133061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 122135133061 its reverse (160331531221), we get a palindrome (282466664282).

The spelling of 122135133061 in words is "one hundred twenty-two billion, one hundred thirty-five million, one hundred thirty-three thousand, sixty-one".