121580103 has 8 divisors (see below), whose sum is σ = 163273600. Its totient is φ = 80470008.

The previous prime is 121580089. The next prime is 121580119. The reversal of 121580103 is 301085121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121580103 - 2¹⁰ = 121579079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121580103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121580153) 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, 145363 + ... + 146196.

It is an arithmetic number, because the mean of its divisors is an integer number (20409200).

Almost surely, 2^121580103 is an apocalyptic number.

121580103 is a deficient number, since it is larger than the sum of its proper divisors (41693497).

121580103 is a wasteful number, since it uses less digits than its factorization.

121580103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291701.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 121580103 is about 11026.3367897049. The cubic root of 121580103 is about 495.3979088050.

It can be divided in two parts, 1215 and 80103, that added together give a palindrome (81318).

The spelling of 121580103 in words is "one hundred twenty-one million, five hundred eighty thousand, one hundred three".