121004838 has 48 divisors (see below), whose sum is σ = 270606336. Its totient is φ = 39054960.

The previous prime is 121004833. The next prime is 121004879. The reversal of 121004838 is 838400121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97683 + ... + 98913.

It is an arithmetic number, because the mean of its divisors is an integer number (5637632).

Almost surely, 2^121004838 is an apocalyptic number.

121004838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

121004838 is an abundant number, since it is smaller than the sum of its proper divisors (149601498).

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

121004838 is a wasteful number, since it uses less digits than its factorization.

121004838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 121004838 is about 11000.2199068928. The cubic root of 121004838 is about 494.6153362952.

Adding to 121004838 its reverse (838400121), we get a palindrome (959404959).

The spelling of 121004838 in words is "one hundred twenty-one million, four thousand, eight hundred thirty-eight".