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107121101 = 850112601
BaseRepresentation
bin1100110001010…
…00100111001101
321110120022112012
412120220213031
5204410333401
614343551005
72440341263
oct630504715
9243508465
10107121101
115551573a
122ba5b465
1319267b89
1410326433
15960e8bb
hex66289cd

107121101 has 4 divisors (see below), whose sum is σ = 107142204. Its totient is φ = 107100000.

The previous prime is 107121083. The next prime is 107121139. The reversal of 107121101 is 101121701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21114025 + 86007076 = 4595^2 + 9274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107121101 is a prime.

It is a super-2 number, since 2×1071211012 = 22949860558904402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107121181) 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 3 ways as a sum of consecutive naturals, for example, 2201 + ... + 14801.

It is an arithmetic number, because the mean of its divisors is an integer number (26785551).

Almost surely, 2107121101 is an apocalyptic number.

It is an amenable number.

107121101 is a deficient number, since it is larger than the sum of its proper divisors (21103).

107121101 is an equidigital number, since it uses as much as digits as its factorization.

107121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21102.

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 107121101 is about 10349.9324152383. The cubic root of 107121101 is about 474.9249757778.

Adding to 107121101 its reverse (101121701), we get a palindrome (208242802).

The spelling of 107121101 in words is "one hundred seven million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 8501 12601 107121101