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122955541 is a prime number
BaseRepresentation
bin1110101010000…
…10011100010101
322120100210021221
413111002130111
5222434034131
620111210341
73022050652
oct725023425
9276323257
10122955541
1163450355
12352169b1
131c620277
1412488c29
15abdb411
hex7542715

122955541 has 2 divisors, whose sum is σ = 122955542. Its totient is φ = 122955540.

The previous prime is 122955523. The next prime is 122955571. The reversal of 122955541 is 145559221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102434641 + 20520900 = 10121^2 + 4530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122955541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122955497 and 122955506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122955571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61477770 + 61477771.

It is an arithmetic number, because the mean of its divisors is an integer number (61477771).

Almost surely, 2122955541 is an apocalyptic number.

It is an amenable number.

122955541 is a deficient number, since it is larger than the sum of its proper divisors (1).

122955541 is an equidigital number, since it uses as much as digits as its factorization.

122955541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 34.

The square root of 122955541 is about 11088.5319587401. The cubic root of 122955541 is about 497.2590565811.

The spelling of 122955541 in words is "one hundred twenty-two million, nine hundred fifty-five thousand, five hundred forty-one".