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122415089 is a prime number
BaseRepresentation
bin1110100101111…
…10011111110001
322112100022221012
413102332133301
5222314240324
620051440305
73014340206
oct722763761
9275308835
10122415089
11631112a5
1234bb6095
131c491284
1412387cad
15ab3120e
hex74be7f1

122415089 has 2 divisors, whose sum is σ = 122415090. Its totient is φ = 122415088.

The previous prime is 122415077. The next prime is 122415101. The reversal of 122415089 is 980514221.

It is a balanced prime because it is at equal distance from previous prime (122415077) and next prime (122415101).

It can be written as a sum of positive squares in only one way, i.e., 74528689 + 47886400 = 8633^2 + 6920^2 .

It is a cyclic number.

It is not a de Polignac number, because 122415089 - 220 = 121366513 is a prime.

It is a super-3 number, since 3×1224150893 (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122415019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61207544 + 61207545.

It is an arithmetic number, because the mean of its divisors is an integer number (61207545).

Almost surely, 2122415089 is an apocalyptic number.

It is an amenable number.

122415089 is a deficient number, since it is larger than the sum of its proper divisors (1).

122415089 is an equidigital number, since it uses as much as digits as its factorization.

122415089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 122415089 is about 11064.1352576693. The cubic root of 122415089 is about 496.5294178564.

The spelling of 122415089 in words is "one hundred twenty-two million, four hundred fifteen thousand, eighty-nine".