121103416 has 32 divisors (see below), whose sum is σ = 273168000. Its totient is φ = 49169376.

The previous prime is 121103407. The next prime is 121103419. The reversal of 121103416 is 614301121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 121103393 and 121103402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103419) 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, 55846 + ... + 57973.

It is an arithmetic number, because the mean of its divisors is an integer number (8536500).

Almost surely, 2^121103416 is an apocalyptic number.

It is an amenable number.

121103416 is an abundant number, since it is smaller than the sum of its proper divisors (152064584).

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

121103416 is a wasteful number, since it uses less digits than its factorization.

121103416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113851 (or 113847 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 121103416 is about 11004.6997233000. The cubic root of 121103416 is about 494.7496145520.

Adding to 121103416 its reverse (614301121), we get a palindrome (735404537).

The spelling of 121103416 in words is "one hundred twenty-one million, one hundred three thousand, four hundred sixteen".