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122542163 = 3117332281
BaseRepresentation
bin1110100110111…
…01100001010011
322112120210020122
413103131201103
5222332322123
620054300455
73015406532
oct723354123
9275523218
10122542163
1163198817
123505772b
131c507073
14123bc319
15ab58bc8
hex74dd853

122542163 has 8 divisors (see below), whose sum is σ = 126623616. Its totient is φ = 118468800.

The previous prime is 122542159. The next prime is 122542169. The reversal of 122542163 is 361245221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122542163 - 22 = 122542159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122542169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52583 + ... + 54863.

It is an arithmetic number, because the mean of its divisors is an integer number (15827952).

Almost surely, 2122542163 is an apocalyptic number.

122542163 is a deficient number, since it is larger than the sum of its proper divisors (4081453).

122542163 is a wasteful number, since it uses less digits than its factorization.

122542163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its digits is 2880, while the sum is 26.

The square root of 122542163 is about 11069.8763769068. The cubic root of 122542163 is about 496.7011672704.

Adding to 122542163 its reverse (361245221), we get a palindrome (483787384).

The spelling of 122542163 in words is "one hundred twenty-two million, five hundred forty-two thousand, one hundred sixty-three".

Divisors: 1 31 1733 2281 53723 70711 3952973 122542163