121328801 has 4 divisors (see below), whose sum is σ = 132358704. Its totient is φ = 110298900.

The previous prime is 121328797. The next prime is 121328807. The reversal of 121328801 is 108823121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121328801 - 2² = 121328797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121328807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5514935 + ... + 5514956.

It is an arithmetic number, because the mean of its divisors is an integer number (33089676).

Almost surely, 2^121328801 is an apocalyptic number.

121328801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121328801 is a deficient number, since it is larger than the sum of its proper divisors (11029903).

121328801 is a wasteful number, since it uses less digits than its factorization.

121328801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029902.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 121328801 is about 11014.9353606819. The cubic root of 121328801 is about 495.0563497392.

The spelling of 121328801 in words is "one hundred twenty-one million, three hundred twenty-eight thousand, eight hundred one".