121033135 has 16 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 90563616.

The previous prime is 121033111. The next prime is 121033139. The reversal of 121033135 is 531330121.

It is a cyclic number.

It is not a de Polignac number, because 121033135 - 2²³ = 112644527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033139) 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 15 ways as a sum of consecutive naturals, for example, 559 + ... + 15568.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2^121033135 is an apocalyptic number.

121033135 is a deficient number, since it is larger than the sum of its proper divisors (33795665).

121033135 is a wasteful number, since it uses less digits than its factorization.

121033135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16230.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 121033135 is about 11001.5060332665. The cubic root of 121033135 is about 494.6538885810.

Adding to 121033135 its reverse (531330121), we get a palindrome (652363256).

The spelling of 121033135 in words is "one hundred twenty-one million, thirty-three thousand, one hundred thirty-five".