26902121 has 2 divisors, whose sum is σ = 26902122. Its totient is φ = 26902120.

The previous prime is 26902093. The next prime is 26902147. The reversal of 26902121 is 12120962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26666896 + 235225 = 5164^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 26902121 - 2¹⁰ = 26901097 is a prime.

It is a super-2 number, since 2×26902121² = 1447448228597282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26902151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13451060 + 13451061.

It is an arithmetic number, because the mean of its divisors is an integer number (13451061).

Almost surely, 2^26902121 is an apocalyptic number.

It is an amenable number.

26902121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26902121 is an equidigital number, since it uses as much as digits as its factorization.

26902121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 26902121 is about 5186.7254602495. The cubic root of 26902121 is about 299.6370462442.

The spelling of 26902121 in words is "twenty-six million, nine hundred two thousand, one hundred twenty-one".