11420089 has 2 divisors, whose sum is σ = 11420090. Its totient is φ = 11420088.

The previous prime is 11420077. The next prime is 11420111. The reversal of 11420089 is 98002411.

It is a happy number.

11420089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6051600 + 5368489 = 2460^2 + 2317^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420089 - 2¹⁷ = 11289017 is a prime.

It is equal to p₇₅₂₃₇₁ and since 11420089 and 752371 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11420009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710044 + 5710045.

It is an arithmetic number, because the mean of its divisors is an integer number (5710045).

Almost surely, 2^11420089 is an apocalyptic number.

It is an amenable number.

11420089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420089 is an equidigital number, since it uses as much as digits as its factorization.

11420089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11420089 is about 3379.3622179340. The cubic root of 11420089 is about 225.1938346121.

The spelling of 11420089 in words is "eleven million, four hundred twenty thousand, eighty-nine".