Search a number
-
+
121700597 is a prime number
BaseRepresentation
bin1110100000100…
…00000011110101
322111000000211112
413100100003311
5222123404342
620024244405
73005303144
oct720200365
9274000745
10121700597
1162773507
1234910705
131c2a0cb5
141223d75b
15aa3e682
hex74100f5

121700597 has 2 divisors, whose sum is σ = 121700598. Its totient is φ = 121700596.

The previous prime is 121700573. The next prime is 121700651. The reversal of 121700597 is 795007121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72012196 + 49688401 = 8486^2 + 7049^2 .

It is a cyclic number.

It is not a de Polignac number, because 121700597 - 26 = 121700533 is a prime.

It is a super-2 number, since 2×1217005972 = 29622070620312818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121700507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60850298 + 60850299.

It is an arithmetic number, because the mean of its divisors is an integer number (60850299).

Almost surely, 2121700597 is an apocalyptic number.

It is an amenable number.

121700597 is a deficient number, since it is larger than the sum of its proper divisors (1).

121700597 is an equidigital number, since it uses as much as digits as its factorization.

121700597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 121700597 is about 11031.7993545931. The cubic root of 121700597 is about 495.5615122381.

The spelling of 121700597 in words is "one hundred twenty-one million, seven hundred thousand, five hundred ninety-seven".