121600103 has 8 divisors (see below), whose sum is σ = 131263200. Its totient is φ = 112301728.

The previous prime is 121600097. The next prime is 121600147. The reversal of 121600103 is 301006121.

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 121600103 - 2²⁰ = 120551527 is a prime.

It is a super-2 number, since 2×121600103² = 29573170099221218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121600163) 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, 90488 + ... + 91821.

It is an arithmetic number, because the mean of its divisors is an integer number (16407900).

Almost surely, 2^121600103 is an apocalyptic number.

121600103 is a deficient number, since it is larger than the sum of its proper divisors (9663097).

121600103 is a wasteful number, since it uses less digits than its factorization.

121600103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182361.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121600103 is about 11027.2436719245. The cubic root of 121600103 is about 495.4250717335.

Adding to 121600103 its reverse (301006121), we get a palindrome (422606224).

The spelling of 121600103 in words is "one hundred twenty-one million, six hundred thousand, one hundred three".