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122706087 = 375843147
BaseRepresentation
bin1110101000001…
…01100010100111
322112220010002220
413110011202213
5222403043322
620102003423
73016661460
oct724054247
9275803086
10122706087
116329a999
1235116573
131c56386a
1412421d67
15ab8c55c
hex75058a7

122706087 has 8 divisors (see below), whose sum is σ = 186980736. Its totient is φ = 70117752.

The previous prime is 122706079. The next prime is 122706107. The reversal of 122706087 is 780607221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122706087 - 23 = 122706079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122708087) 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 in 7 ways as a sum of consecutive naturals, for example, 2921553 + ... + 2921594.

It is an arithmetic number, because the mean of its divisors is an integer number (23372592).

Almost surely, 2122706087 is an apocalyptic number.

122706087 is a deficient number, since it is larger than the sum of its proper divisors (64274649).

122706087 is an equidigital number, since it uses as much as digits as its factorization.

122706087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843157.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 122706087 is about 11077.2779598600. The cubic root of 122706087 is about 496.9225467573.

The spelling of 122706087 in words is "one hundred twenty-two million, seven hundred six thousand, eighty-seven".

Divisors: 1 3 7 21 5843147 17529441 40902029 122706087