26120089 has 2 divisors, whose sum is σ = 26120090. Its totient is φ = 26120088.

The previous prime is 26120077. The next prime is 26120093. The reversal of 26120089 is 98002162.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17808400 + 8311689 = 4220^2 + 2883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26120089 is a prime.

It is not a weakly prime, because it can be changed into another prime (26120069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13060044 + 13060045.

It is an arithmetic number, because the mean of its divisors is an integer number (13060045).

Almost surely, 2^26120089 is an apocalyptic number.

It is an amenable number.

26120089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26120089 is an equidigital number, since it uses as much as digits as its factorization.

26120089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 26120089 is about 5110.7816427627. The cubic root of 26120089 is about 296.7050130684.

The spelling of 26120089 in words is "twenty-six million, one hundred twenty thousand, eighty-nine".