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122029493 is a prime number
BaseRepresentation
bin1110100011000…
…00010110110101
322111121201222212
413101200112311
5222214420433
620035303205
73011143055
oct721402665
9274551885
10122029493
1162978623
1234a4ab05
131c387901
14122c7565
15aaa6d48
hex74605b5

122029493 has 2 divisors, whose sum is σ = 122029494. Its totient is φ = 122029492.

The previous prime is 122029471. The next prime is 122029499. The reversal of 122029493 is 394920221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87478609 + 34550884 = 9353^2 + 5878^2 .

It is an emirp because it is prime and its reverse (394920221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122029493 - 214 = 122013109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122029499) 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, 61014746 + 61014747.

It is an arithmetic number, because the mean of its divisors is an integer number (61014747).

Almost surely, 2122029493 is an apocalyptic number.

It is an amenable number.

122029493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122029493 is an equidigital number, since it uses as much as digits as its factorization.

122029493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 122029493 is about 11046.6960218882. The cubic root of 122029493 is about 496.0075292063.

The spelling of 122029493 in words is "one hundred twenty-two million, twenty-nine thousand, four hundred ninety-three".