121030401 has 8 divisors (see below), whose sum is σ = 165309984. Its totient is φ = 78718880.

The previous prime is 121030391. The next prime is 121030433. The reversal of 121030401 is 104030121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121030401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121030451) 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, 491871 + ... + 492116.

It is an arithmetic number, because the mean of its divisors is an integer number (20663748).

Almost surely, 2^121030401 is an apocalyptic number.

It is an amenable number.

121030401 is a deficient number, since it is larger than the sum of its proper divisors (44279583).

121030401 is an equidigital number, since it uses as much as digits as its factorization.

121030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984031.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121030401 is about 11001.3817768497. The cubic root of 121030401 is about 494.6501639979.

Adding to 121030401 its reverse (104030121), we get a palindrome (225060522).

The spelling of 121030401 in words is "one hundred twenty-one million, thirty thousand, four hundred one".