121026811 has 8 divisors (see below), whose sum is σ = 124129280. Its totient is φ = 117937512.

The previous prime is 121026799. The next prime is 121026817. The reversal of 121026811 is 118620121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121026811 - 2⁵ = 121026779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121026817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16870 + ... + 22948.

It is an arithmetic number, because the mean of its divisors is an integer number (15516160).

Almost surely, 2^121026811 is an apocalyptic number.

121026811 is a deficient number, since it is larger than the sum of its proper divisors (3102469).

121026811 is an equidigital number, since it uses as much as digits as its factorization.

121026811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 121026811 is about 11001.2186143172. The cubic root of 121026811 is about 494.6452731836.

Adding to 121026811 its reverse (118620121), we get a palindrome (239646932).

The spelling of 121026811 in words is "one hundred twenty-one million, twenty-six thousand, eight hundred eleven".