121668003 has 12 divisors (see below), whose sum is σ = 176628400. Its totient is φ = 80703216.

The previous prime is 121667989. The next prime is 121668011. The reversal of 121668003 is 300866121.

It is not a de Polignac number, because 121668003 - 2⁸ = 121667747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121668013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32176 + ... + 35757.

Almost surely, 2^121668003 is an apocalyptic number.

121668003 is a deficient number, since it is larger than the sum of its proper divisors (54960397).

121668003 is a wasteful number, since it uses less digits than its factorization.

121668003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68138 (or 68135 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 121668003 is about 11030.3219807946. The cubic root of 121668003 is about 495.5172676616.

The spelling of 121668003 in words is "one hundred twenty-one million, six hundred sixty-eight thousand, three".