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122900473 is a prime number
BaseRepresentation
bin1110101001101…
…00111111111001
322120020222202101
413110310333321
5222430303343
620110103401
73021431263
oct724647771
9276228671
10122900473
1163412a43
12351aab61
131c601197
1412472b33
15abc9e4d
hex7534ff9

122900473 has 2 divisors, whose sum is σ = 122900474. Its totient is φ = 122900472.

The previous prime is 122900447. The next prime is 122900509. The reversal of 122900473 is 374009221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121616784 + 1283689 = 11028^2 + 1133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122900473 is a prime.

It is not a weakly prime, because it can be changed into another prime (122900573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61450236 + 61450237.

It is an arithmetic number, because the mean of its divisors is an integer number (61450237).

Almost surely, 2122900473 is an apocalyptic number.

It is an amenable number.

122900473 is a deficient number, since it is larger than the sum of its proper divisors (1).

122900473 is an equidigital number, since it uses as much as digits as its factorization.

122900473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 122900473 is about 11086.0485746726. The cubic root of 122900473 is about 497.1848098235.

Adding to 122900473 its reverse (374009221), we get a palindrome (496909694).

The spelling of 122900473 in words is "one hundred twenty-two million, nine hundred thousand, four hundred seventy-three".