121375103 has 6 divisors (see below), whose sum is σ = 124034736. Its totient is φ = 118718732.

The previous prime is 121375091. The next prime is 121375127. The reversal of 121375103 is 301573121.

It is not a de Polignac number, because 121375103 - 2⁶ = 121375039 is a prime.

It is a super-3 number, since 3×121375103³ (a number of 25 digits) contains 333 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 (121375153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74726 + ... + 76332.

It is an arithmetic number, because the mean of its divisors is an integer number (20672456).

Almost surely, 2^121375103 is an apocalyptic number.

121375103 is a deficient number, since it is larger than the sum of its proper divisors (2659633).

121375103 is an frugal number, since it uses more digits than its factorization.

121375103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 121375103 is about 11017.0369428445. The cubic root of 121375103 is about 495.1193168820.

The spelling of 121375103 in words is "one hundred twenty-one million, three hundred seventy-five thousand, one hundred three".