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122141407 is a prime number
BaseRepresentation
bin1110100011110…
…11101011011111
322111211102111211
413101323223133
5222232011112
620041525251
73012120253
oct721735337
9274742454
10122141407
1162a44713
1234aa3827
131c3c682b
1412316263
15aaca0a7
hex747badf

122141407 has 2 divisors, whose sum is σ = 122141408. Its totient is φ = 122141406.

The previous prime is 122141377. The next prime is 122141423. The reversal of 122141407 is 704141221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122141407 - 211 = 122139359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122141497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61070703 + 61070704.

It is an arithmetic number, because the mean of its divisors is an integer number (61070704).

Almost surely, 2122141407 is an apocalyptic number.

122141407 is a deficient number, since it is larger than the sum of its proper divisors (1).

122141407 is an equidigital number, since it uses as much as digits as its factorization.

122141407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 122141407 is about 11051.7603575177. The cubic root of 122141407 is about 496.1591133966.

Adding to 122141407 its reverse (704141221), we get a palindrome (826282628).

The spelling of 122141407 in words is "one hundred twenty-two million, one hundred forty-one thousand, four hundred seven".