121333043 has 12 divisors (see below), whose sum is σ = 131755608. Its totient is φ = 111683520.

The previous prime is 121333033. The next prime is 121333049. The reversal of 121333043 is 340333121.

It is not a de Polignac number, because 121333043 - 2⁶ = 121332979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333049) 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, 76448 + ... + 78018.

It is an arithmetic number, because the mean of its divisors is an integer number (10979634).

Almost surely, 2^121333043 is an apocalyptic number.

121333043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121333043 is a deficient number, since it is larger than the sum of its proper divisors (10422565).

121333043 is a wasteful number, since it uses less digits than its factorization.

121333043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 121333043 is about 11015.1279157348. The cubic root of 121333043 is about 495.0621191980.

Adding to 121333043 its reverse (340333121), we get a palindrome (461666164).

The spelling of 121333043 in words is "one hundred twenty-one million, three hundred thirty-three thousand, forty-three".