Search a number
-
+
121479461 is a prime number
BaseRepresentation
bin1110011110110…
…10000100100101
322110120210111022
413033122010211
5222044320321
620015420525
73003362345
oct717320445
9273523438
10121479461
1162632354
1234824745
131c22444c
14121c2d25
15a9e8dab
hex73da125

121479461 has 2 divisors, whose sum is σ = 121479462. Its totient is φ = 121479460.

The previous prime is 121479451. The next prime is 121479503. The reversal of 121479461 is 164974121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109851361 + 11628100 = 10481^2 + 3410^2 .

It is a cyclic number.

It is not a de Polignac number, because 121479461 - 214 = 121463077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121479431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60739730 + 60739731.

It is an arithmetic number, because the mean of its divisors is an integer number (60739731).

Almost surely, 2121479461 is an apocalyptic number.

It is an amenable number.

121479461 is a deficient number, since it is larger than the sum of its proper divisors (1).

121479461 is an equidigital number, since it uses as much as digits as its factorization.

121479461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 121479461 is about 11021.7721351877. The cubic root of 121479461 is about 495.2611770027.

The spelling of 121479461 in words is "one hundred twenty-one million, four hundred seventy-nine thousand, four hundred sixty-one".