121313401 has 8 divisors (see below), whose sum is σ = 132701184. Its totient is φ = 109985520.

The previous prime is 121313389. The next prime is 121313419. The reversal of 121313401 is 104313121.

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 121313401 - 2⁷ = 121313273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121313441) 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, 10681 + ... + 18886.

It is an arithmetic number, because the mean of its divisors is an integer number (16587648).

Almost surely, 2^121313401 is an apocalyptic number.

121313401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121313401 is a deficient number, since it is larger than the sum of its proper divisors (11387783).

121313401 is a wasteful number, since it uses less digits than its factorization.

121313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29951.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 121313401 is about 11014.2362876416. The cubic root of 121313401 is about 495.0354033788.

Adding to 121313401 its reverse (104313121), we get a palindrome (225626522).

The spelling of 121313401 in words is "one hundred twenty-one million, three hundred thirteen thousand, four hundred one".