121326265 has 16 divisors (see below), whose sum is σ = 153331200. Its totient is φ = 91979712.

The previous prime is 121326259. The next prime is 121326299. The reversal of 121326265 is 562623121.

It is a cyclic number.

It is not a de Polignac number, because 121326265 - 2⁷ = 121326137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7696 + ... + 17374.

It is an arithmetic number, because the mean of its divisors is an integer number (9583200).

Almost surely, 2^121326265 is an apocalyptic number.

It is an amenable number.

121326265 is a deficient number, since it is larger than the sum of its proper divisors (32004935).

121326265 is a wasteful number, since it uses less digits than its factorization.

121326265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9816.

The product of its digits is 4320, while the sum is 28.

The square root of 121326265 is about 11014.8202436535. The cubic root of 121326265 is about 495.0529005124.

Adding to 121326265 its reverse (562623121), we get a palindrome (683949386).

The spelling of 121326265 in words is "one hundred twenty-one million, three hundred twenty-six thousand, two hundred sixty-five".