121404007 has 8 divisors (see below), whose sum is σ = 124375680. Its totient is φ = 118439160.

The previous prime is 121404001. The next prime is 121404011. The reversal of 121404007 is 700404121.

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-121404007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121404001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66132 + ... + 67942.

It is an arithmetic number, because the mean of its divisors is an integer number (15546960).

Almost surely, 2^121404007 is an apocalyptic number.

121404007 is a deficient number, since it is larger than the sum of its proper divisors (2971673).

121404007 is a wasteful number, since it uses less digits than its factorization.

121404007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 121404007 is about 11018.3486512272. The cubic root of 121404007 is about 495.1586159710.

Adding to 121404007 its reverse (700404121), we get a palindrome (821808128).

The spelling of 121404007 in words is "one hundred twenty-one million, four hundred four thousand, seven".