Search a number
-
+
122119969 is a prime number
BaseRepresentation
bin1110100011101…
…10011100100001
322111210100002211
413101312130201
5222230314334
620041242121
73012000616
oct721663441
9274710084
10122119969
1162a2a5a4
1234a93341
131c3b9b4a
141230c50d
15aac3a64
hex7476721

122119969 has 2 divisors, whose sum is σ = 122119970. Its totient is φ = 122119968.

The previous prime is 122119961. The next prime is 122120023. The reversal of 122119969 is 969911221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79869969 + 42250000 = 8937^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 122119969 - 23 = 122119961 is a prime.

It is a super-2 number, since 2×1221199692 = 29826573657121922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122119961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61059984 + 61059985.

It is an arithmetic number, because the mean of its divisors is an integer number (61059985).

Almost surely, 2122119969 is an apocalyptic number.

It is an amenable number.

122119969 is a deficient number, since it is larger than the sum of its proper divisors (1).

122119969 is an equidigital number, since it uses as much as digits as its factorization.

122119969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 40.

The square root of 122119969 is about 11050.7904242185. The cubic root of 122119969 is about 496.1300834340.

The spelling of 122119969 in words is "one hundred twenty-two million, one hundred nineteen thousand, nine hundred sixty-nine".