Base | Representation |
---|---|
bin | 1110011011100… |
… | …10011000000101 |
3 | 22102210012212100 |
4 | 13031302120011 |
5 | 221442222400 |
6 | 20002342313 |
7 | 2666643141 |
oct | 715623005 |
9 | 272705770 |
10 | 121054725 |
11 | 62372230 |
12 | 3465a999 |
13 | 1c10601c |
14 | 12112221 |
15 | a963100 |
hex | 7372605 |
121054725 has 72 divisors (see below), whose sum is σ = 240832800. Its totient is φ = 57628800.
The previous prime is 121054711. The next prime is 121054733. The reversal of 121054725 is 527450121.
It is not a de Polignac number, because 121054725 - 213 = 121046533 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a nialpdrome in base 15.
It is a congruent number.
It is an unprimeable number.
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 71 ways as a sum of consecutive naturals, for example, 145611 + ... + 146439.
It is an arithmetic number, because the mean of its divisors is an integer number (3344900).
Almost surely, 2121054725 is an apocalyptic number.
121054725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121054725 is a deficient number, since it is larger than the sum of its proper divisors (119778075).
121054725 is a wasteful number, since it uses less digits than its factorization.
121054725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 915 (or 907 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 121054725 is about 11002.4872188065. The cubic root of 121054725 is about 494.6832991015.
The spelling of 121054725 in words is "one hundred twenty-one million, fifty-four thousand, seven hundred twenty-five".
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