121406801 has 8 divisors (see below), whose sum is σ = 123310944. Its totient is φ = 119517120.

The previous prime is 121406783. The next prime is 121406807. The reversal of 121406801 is 108604121.

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 121406801 - 2²² = 117212497 is a prime.

It is a super-2 number, since 2×121406801² = 29479222658107202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121406807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13961 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (15413868).

Almost surely, 2^121406801 is an apocalyptic number.

It is an amenable number.

121406801 is a deficient number, since it is larger than the sum of its proper divisors (1904143).

121406801 is a wasteful number, since it uses less digits than its factorization.

121406801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 121406801 is about 11018.4754390070. The cubic root of 121406801 is about 495.1624144797.

The spelling of 121406801 in words is "one hundred twenty-one million, four hundred six thousand, eight hundred one".