121230504 has 48 divisors (see below), whose sum is σ = 334538100. Its totient is φ = 39646464.

The previous prime is 121230497. The next prime is 121230509. The reversal of 121230504 is 405032121.

It can be written as a sum of positive squares in 2 ways, for example, as 121220100 + 10404 = 11010^2 + 102^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121230509) 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, 12069 + ... + 19700.

Almost surely, 2^121230504 is an apocalyptic number.

It is an amenable number.

121230504 is an abundant number, since it is smaller than the sum of its proper divisors (213307596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121230504 is a wasteful number, since it uses less digits than its factorization.

121230504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31834 (or 31827 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121230504 is about 11010.4724694266. The cubic root of 121230504 is about 494.9226202889.

Adding to 121230504 its reverse (405032121), we get a palindrome (526262625).

The spelling of 121230504 in words is "one hundred twenty-one million, two hundred thirty thousand, five hundred four".