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121314325 = 5211597477
BaseRepresentation
bin1110011101100…
…01110000010101
322110021101222011
413032301300111
5222024024300
620012104221
73002104036
oct716616025
9273241864
10121314325
116252a280
1234765071
131c197232
141217ca8d
15a9b4eba
hex73b1c15

121314325 has 24 divisors (see below), whose sum is σ = 166908960. Its totient is φ = 86721600.

The previous prime is 121314317. The next prime is 121314341. The reversal of 121314325 is 523413121.

It is a happy number.

It is not a de Polignac number, because 121314325 - 23 = 121314317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121314296 and 121314305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12487 + ... + 19963.

It is an arithmetic number, because the mean of its divisors is an integer number (6954540).

Almost surely, 2121314325 is an apocalyptic number.

It is an amenable number.

121314325 is a deficient number, since it is larger than the sum of its proper divisors (45594635).

121314325 is a wasteful number, since it uses less digits than its factorization.

121314325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557 (or 7552 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 121314325 is about 11014.2782332752. The cubic root of 121314325 is about 495.0366602104.

Adding to 121314325 its reverse (523413121), we get a palindrome (644727446).

The spelling of 121314325 in words is "one hundred twenty-one million, three hundred fourteen thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 59 275 295 649 1475 3245 7477 16225 37385 82247 186925 411235 441143 2056175 2205715 4852573 11028575 24262865 121314325