121126065 has 16 divisors (see below), whose sum is σ = 194660928. Its totient is φ = 64314176.

The previous prime is 121126001. The next prime is 121126091. The reversal of 121126065 is 560621121.

It is a cyclic number.

It is not a de Polignac number, because 121126065 - 2⁶ = 121126001 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, 14382 + ... + 21191.

It is an arithmetic number, because the mean of its divisors is an integer number (12166308).

Almost surely, 2^121126065 is an apocalyptic number.

121126065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121126065 is a deficient number, since it is larger than the sum of its proper divisors (73534863).

121126065 is a wasteful number, since it uses less digits than its factorization.

121126065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35808.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 121126065 is about 11005.7287355268. The cubic root of 121126065 is about 494.7804556460.

Adding to 121126065 its reverse (560621121), we get a palindrome (681747186).

The spelling of 121126065 in words is "one hundred twenty-one million, one hundred twenty-six thousand, sixty-five".