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122931017 = 1194711801
BaseRepresentation
bin1110101001111…
…00011101001001
322120022112122122
413110330131021
5222432243032
620110501025
73021616316
oct724743511
9276275578
10122931017
1163433990
1235204775
131c612061
141247dd0d
15abd4012
hex753c749

122931017 has 8 divisors (see below), whose sum is σ = 134259552. Its totient is φ = 111628000.

The previous prime is 122931013. The next prime is 122931019. The reversal of 122931017 is 710139221.

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

It is not a de Polignac number, because 122931017 - 22 = 122931013 is a prime.

It is a super-2 number, since 2×1229310172 = 30224069881308578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122931013) 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, 4517 + ... + 16317.

It is an arithmetic number, because the mean of its divisors is an integer number (16782444).

Almost surely, 2122931017 is an apocalyptic number.

It is an amenable number.

122931017 is a deficient number, since it is larger than the sum of its proper divisors (11328535).

122931017 is a wasteful number, since it uses less digits than its factorization.

122931017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12759.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 122931017 is about 11087.4260764165. The cubic root of 122931017 is about 497.2259942459.

It can be divided in two parts, 122 and 931017, that added together give a palindrome (931139).

The spelling of 122931017 in words is "one hundred twenty-two million, nine hundred thirty-one thousand, seventeen".

Divisors: 1 11 947 10417 11801 129811 11175547 122931017