121012404 has 24 divisors (see below), whose sum is σ = 288371328. Its totient is φ = 39479040.

The previous prime is 121012403. The next prime is 121012417. The reversal of 121012404 is 404210121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106717 + ... + 107844.

It is an arithmetic number, because the mean of its divisors is an integer number (12015472).

Almost surely, 2^121012404 is an apocalyptic number.

It is an amenable number.

121012404 is an abundant number, since it is smaller than the sum of its proper divisors (167358924).

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

121012404 is a wasteful number, since it uses less digits than its factorization.

121012404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214615 (or 214613 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121012404 is about 11000.5638037330. The cubic root of 121012404 is about 494.6256449233.

Adding to 121012404 its reverse (404210121), we get a palindrome (525222525).

The spelling of 121012404 in words is "one hundred twenty-one million, twelve thousand, four hundred four".