Search a number
-
+
121450429 is a prime number
BaseRepresentation
bin1110011110100…
…10111110111101
322110112022200001
413033102332331
5222042403204
620015034301
73003211612
oct717227675
9273468601
10121450429
1162612561
123480b991
131c214179
14121b6509
15a9e04a4
hex73d2fbd

121450429 has 2 divisors, whose sum is σ = 121450430. Its totient is φ = 121450428.

The previous prime is 121450423. The next prime is 121450471. The reversal of 121450429 is 924054121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67207204 + 54243225 = 8198^2 + 7365^2 .

It is a cyclic number.

It is not a de Polignac number, because 121450429 - 23 = 121450421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121450397 and 121450406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121450421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60725214 + 60725215.

It is an arithmetic number, because the mean of its divisors is an integer number (60725215).

Almost surely, 2121450429 is an apocalyptic number.

It is an amenable number.

121450429 is a deficient number, since it is larger than the sum of its proper divisors (1).

121450429 is an equidigital number, since it uses as much as digits as its factorization.

121450429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 121450429 is about 11020.4550269034. The cubic root of 121450429 is about 495.2217202146.

The spelling of 121450429 in words is "one hundred twenty-one million, four hundred fifty thousand, four hundred twenty-nine".