121004236 has 48 divisors (see below), whose sum is σ = 232207360. Its totient is φ = 54976320.

The previous prime is 121004227. The next prime is 121004239. The reversal of 121004236 is 632400121.

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

It is not an unprimeable number, because it can be changed into a prime (121004239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199045 + ... + 199651.

Almost surely, 2^121004236 is an apocalyptic number.

It is an amenable number.

121004236 is a deficient number, since it is larger than the sum of its proper divisors (111203124).

121004236 is a wasteful number, since it uses less digits than its factorization.

121004236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 121004236 is about 11000.1925437694. The cubic root of 121004236 is about 494.6145160554.

Adding to 121004236 its reverse (632400121), we get a palindrome (753404357).

The spelling of 121004236 in words is "one hundred twenty-one million, four thousand, two hundred thirty-six".