121223504 has 20 divisors (see below), whose sum is σ = 235255776. Its totient is φ = 60512352.

The previous prime is 121223467. The next prime is 121223527. The reversal of 121223504 is 405322121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4397 + ... + 16179.

Almost surely, 2^121223504 is an apocalyptic number.

It is an amenable number.

121223504 is a deficient number, since it is larger than the sum of its proper divisors (114032272).

121223504 is a wasteful number, since it uses less digits than its factorization.

121223504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434 (or 12428 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121223504 is about 11010.1545856541. The cubic root of 121223504 is about 494.9130942898.

Adding to 121223504 its reverse (405322121), we get a palindrome (526545625).

The spelling of 121223504 in words is "one hundred twenty-one million, two hundred twenty-three thousand, five hundred four".