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121404325 = 527693739
BaseRepresentation
bin1110011110001…
…11101110100101
322110102222102111
413033013232211
5222034414300
620014041021
73002630320
oct717075645
9273388374
10121404325
1162590959
12347a9171
131c1c91a3
14121a37b7
15a9d19ba
hex73c7ba5

121404325 has 12 divisors (see below), whose sum is σ = 172047520. Its totient is φ = 83248560.

The previous prime is 121404313. The next prime is 121404347. The reversal of 121404325 is 523404121.

It is not a de Polignac number, because 121404325 - 29 = 121403813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121404296 and 121404305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346695 + ... + 347044.

Almost surely, 2121404325 is an apocalyptic number.

It is an amenable number.

121404325 is a deficient number, since it is larger than the sum of its proper divisors (50643195).

121404325 is an equidigital number, since it uses as much as digits as its factorization.

121404325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693756 (or 693751 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121404325 is about 11018.3630816923. The cubic root of 121404325 is about 495.1590483024.

Adding to 121404325 its reverse (523404121), we get a palindrome (644808446).

The spelling of 121404325 in words is "one hundred twenty-one million, four hundred four thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 693739 3468695 4856173 17343475 24280865 121404325