121103043 has 8 divisors (see below), whose sum is σ = 167038800. Its totient is φ = 77951328.

The previous prime is 121103041. The next prime is 121103051. The reversal of 121103043 is 340301121.

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

It is not a de Polignac number, because 121103043 - 2¹ = 121103041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121103041) 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, 695908 + ... + 696081.

It is an arithmetic number, because the mean of its divisors is an integer number (20879850).

Almost surely, 2^121103043 is an apocalyptic number.

121103043 is a deficient number, since it is larger than the sum of its proper divisors (45935757).

121103043 is a wasteful number, since it uses less digits than its factorization.

121103043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392021.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121103043 is about 11004.6827759822. The cubic root of 121103043 is about 494.7491066065.

Adding to 121103043 its reverse (340301121), we get a palindrome (461404164).

The spelling of 121103043 in words is "one hundred twenty-one million, one hundred three thousand, forty-three".