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121324625 = 5347107193
BaseRepresentation
bin1110011101101…
…00010001010001
322110021221002122
413032310101101
5222024342000
620012224025
73002146052
oct716642121
9273257078
10121324625
1162536a94
123476b015
131c19bb26
1412182729
15a9b8085
hex73b4451

121324625 has 32 divisors (see below), whose sum is σ = 156888576. Its totient is φ = 93619200.

The previous prime is 121324583. The next prime is 121324639. The reversal of 121324625 is 526423121.

It is a happy number.

It is not a de Polignac number, because 121324625 - 218 = 121062481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121324594 and 121324603.

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 31 ways as a sum of consecutive naturals, for example, 628529 + ... + 628721.

It is an arithmetic number, because the mean of its divisors is an integer number (4902768).

Almost surely, 2121324625 is an apocalyptic number.

It is an amenable number.

121324625 is a deficient number, since it is larger than the sum of its proper divisors (35563951).

121324625 is a wasteful number, since it uses less digits than its factorization.

121324625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 352 counting only the distinct ones).

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

The square root of 121324625 is about 11014.7457982470. The cubic root of 121324625 is about 495.0506699143.

Adding to 121324625 its reverse (526423121), we get a palindrome (647747746).

The spelling of 121324625 in words is "one hundred twenty-one million, three hundred twenty-four thousand, six hundred twenty-five".

Divisors: 1 5 25 47 107 125 193 235 535 965 1175 2675 4825 5029 5875 9071 13375 20651 24125 25145 45355 103255 125725 226775 516275 628625 970597 1133875 2581375 4852985 24264925 121324625