121408003 has 8 divisors (see below), whose sum is σ = 124692480. Its totient is φ = 118152840.

The previous prime is 121407983. The next prime is 121408061. The reversal of 121408003 is 300804121.

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 121408003 - 2⁵ = 121407971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121408073) 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, 1198 + ... + 15628.

It is an arithmetic number, because the mean of its divisors is an integer number (15586560).

Almost surely, 2^121408003 is an apocalyptic number.

121408003 is a deficient number, since it is larger than the sum of its proper divisors (3284477).

121408003 is a wasteful number, since it uses less digits than its factorization.

121408003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14657.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 121408003 is about 11018.5299836230. The cubic root of 121408003 is about 495.1640486091.

The spelling of 121408003 in words is "one hundred twenty-one million, four hundred eight thousand, three".