121224504 has 32 divisors (see below), whose sum is σ = 303909120. Its totient is φ = 40295136.

The previous prime is 121224491. The next prime is 121224517. The reversal of 121224504 is 405422121.

It is an interprime number because it is at equal distance from previous prime (121224491) and next prime (121224517).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927 + ... + 15689.

It is an arithmetic number, because the mean of its divisors is an integer number (9497160).

Almost surely, 2^121224504 is an apocalyptic number.

It is an amenable number.

121224504 is an abundant number, since it is smaller than the sum of its proper divisors (182684616).

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

121224504 is a wasteful number, since it uses less digits than its factorization.

121224504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139 (or 14135 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 121224504 is about 11010.1999981835. The cubic root of 121224504 is about 494.9144551692.

Adding to 121224504 its reverse (405422121), we get a palindrome (526646625).

The spelling of 121224504 in words is "one hundred twenty-one million, two hundred twenty-four thousand, five hundred four".