121042233 has 12 divisors (see below), whose sum is σ = 188288100. Its totient is φ = 74487456.

The previous prime is 121042231. The next prime is 121042237. The reversal of 121042233 is 332240121.

121042233 is a `hidden beast` number, since 1 + 210 + 422 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52533504 + 68508729 = 7248^2 + 8277^2 .

It is not a de Polignac number, because 121042233 - 2¹ = 121042231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121042231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517158 + ... + 517391.

It is an arithmetic number, because the mean of its divisors is an integer number (15690675).

Almost surely, 2^121042233 is an apocalyptic number.

121042233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121042233 is a deficient number, since it is larger than the sum of its proper divisors (67245867).

121042233 is a wasteful number, since it uses less digits than its factorization.

121042233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034568 (or 1034565 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 121042233 is about 11001.9195143393. The cubic root of 121042233 is about 494.6662825653. Note that the first 3 decimals are identical.

Adding to 121042233 its reverse (332240121), we get a palindrome (453282354).

The spelling of 121042233 in words is "one hundred twenty-one million, forty-two thousand, two hundred thirty-three".