Search a number
-
+
122199151 is a prime number
BaseRepresentation
bin1110100100010…
…01110001101111
322111221100201111
413102021301233
5222240333101
620043052451
73012450514
oct722116157
9274840644
10122199151
1162a84038
1234b11127
131c416bb9
141232d30b
15aadc251
hex7489c6f

122199151 has 2 divisors, whose sum is σ = 122199152. Its totient is φ = 122199150.

The previous prime is 122199149. The next prime is 122199167. The reversal of 122199151 is 151991221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122199151 - 21 = 122199149 is a prime.

Together with 122199149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122199191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61099575 + 61099576.

It is an arithmetic number, because the mean of its divisors is an integer number (61099576).

Almost surely, 2122199151 is an apocalyptic number.

122199151 is a deficient number, since it is larger than the sum of its proper divisors (1).

122199151 is an equidigital number, since it uses as much as digits as its factorization.

122199151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 31.

The square root of 122199151 is about 11054.3724833208. The cubic root of 122199151 is about 496.2372897192.

The spelling of 122199151 in words is "one hundred twenty-two million, one hundred ninety-nine thousand, one hundred fifty-one".