Search a number
-
+
122045401 is a prime number
BaseRepresentation
bin1110100011001…
…00001111011001
322111122112211001
413101210033121
5222220423101
620035505001
73011240332
oct721441731
9274575731
10122045401
1162989575
1234a58161
131c391c1a
14122cd289
15aaab901
hex74643d9

122045401 has 2 divisors, whose sum is σ = 122045402. Its totient is φ = 122045400.

The previous prime is 122045389. The next prime is 122045449. The reversal of 122045401 is 104540221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63920025 + 58125376 = 7995^2 + 7624^2 .

It is a cyclic number.

It is not a de Polignac number, because 122045401 - 215 = 122012633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122045461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61022700 + 61022701.

It is an arithmetic number, because the mean of its divisors is an integer number (61022701).

Almost surely, 2122045401 is an apocalyptic number.

It is an amenable number.

122045401 is a deficient number, since it is larger than the sum of its proper divisors (1).

122045401 is an equidigital number, since it uses as much as digits as its factorization.

122045401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 122045401 is about 11047.4160327200. The cubic root of 122045401 is about 496.0290817691.

Adding to 122045401 its reverse (104540221), we get a palindrome (226585622).

The spelling of 122045401 in words is "one hundred twenty-two million, forty-five thousand, four hundred one".