121120404 has 12 divisors (see below), whose sum is σ = 282614304. Its totient is φ = 40373464.

The previous prime is 121120387. The next prime is 121120409. The reversal of 121120404 is 404021121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5046672 + ... + 5046695.

It is an arithmetic number, because the mean of its divisors is an integer number (23551192).

Almost surely, 2^121120404 is an apocalyptic number.

It is an amenable number.

121120404 is an abundant number, since it is smaller than the sum of its proper divisors (161493900).

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

121120404 is a wasteful number, since it uses less digits than its factorization.

121120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093374 (or 10093372 counting only the distinct ones).

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

The square root of 121120404 is about 11005.4715482800. The cubic root of 121120404 is about 494.7727474350.

Adding to 121120404 its reverse (404021121), we get a palindrome (525141525).

The spelling of 121120404 in words is "one hundred twenty-one million, one hundred twenty thousand, four hundred four".