Search a number
-
+
1228962601 is a prime number
BaseRepresentation
bin100100101000000…
…0111101100101001
310011122111202202101
41021100013230221
510004103300401
6321540533401
742312003226
oct11120075451
93148452671
101228962601
11580798879
122a36b1261
131677c5209
14b930c94d
1572d5c101
hex49407b29

1228962601 has 2 divisors, whose sum is σ = 1228962602. Its totient is φ = 1228962600.

The previous prime is 1228962599. The next prime is 1228962607. The reversal of 1228962601 is 1062698221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1217940201 + 11022400 = 34899^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228962601 - 21 = 1228962599 is a prime.

Together with 1228962599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1228962607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614481300 + 614481301.

It is an arithmetic number, because the mean of its divisors is an integer number (614481301).

Almost surely, 21228962601 is an apocalyptic number.

It is an amenable number.

1228962601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228962601 is an equidigital number, since it uses as much as digits as its factorization.

1228962601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1228962601 is about 35056.5628805792. The cubic root of 1228962601 is about 1071.1399621741.

The spelling of 1228962601 in words is "one billion, two hundred twenty-eight million, nine hundred sixty-two thousand, six hundred one".